{"title":"CO2 Parts \u0026 Accessories","description":"\u003cp\u003e\u003cspan\u003eCO2 diffusers, bubble counters, drop checkers, cylinders and CO2-proof tubing for planted aquariums. Notes below.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"aluminum-co2-cylinder-5-pound","title":"Aluminum CO2 Cylinder - 5 Pound","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eAluminum CO2 Cylinder - 5 Pound\u003c\/h2\u003e\n\u003cp\u003eAluminum CO2 Cylinder - 5 Pound is a refillable aluminum CO2 cylinder for planted aquariums, calcium reactors, and other compatible aquarium CO2 applications. Its compact 5 lb size is a practical choice for hobbyists who want a dedicated CO2 supply without taking up unnecessary cabinet or equipment space.\u003c\/p\u003e\n\u003ch3\u003e5 Pound Aluminum CO2 Cylinder for Aquarium CO2 Systems\u003c\/h3\u003e\n\u003cp\u003eThis cylinder is designed for use with compatible CO2 regulators using a CGA320 connection. It can be used as the gas supply for freshwater planted aquarium CO2 injection, calcium reactor systems, and other aquarium applications where controlled CO2 delivery is required.\u003c\/p\u003e\n\u003ch3\u003eAluminum CO2 Cylinder Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 lb CO2 cylinder for aquarium CO2 applications.\u003c\/li\u003e\n\u003cli\u003eAll aluminum cylinder construction.\u003c\/li\u003e\n\u003cli\u003eCGA320 valve connection for compatible CO2 regulators.\u003c\/li\u003e\n\u003cli\u003eCompact size is easier to fit beside or inside many aquarium cabinets.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater planted tanks, calcium reactors, and compatible CO2 equipment.\u003c\/li\u003e\n\u003cli\u003eRefillable design allows continued use after the cylinder is filled by a suitable CO2 refill provider.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e5 Pound CO2 Cylinder Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCapacity: 5 lb CO2 cylinder.\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum.\u003c\/li\u003e\n\u003cli\u003eValve connection: CGA320.\u003c\/li\u003e\n\u003cli\u003eHeight: 18\".\u003c\/li\u003e\n\u003cli\u003eDiameter: 5.5\".\u003c\/li\u003e\n\u003cli\u003eCO2 regulator is sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCO2 Cylinder Setup Notes\u003c\/h3\u003e\n\u003cp\u003ePlease note: CO2 cylinders are shipped empty. Have the cylinder filled by a qualified CO2 refill provider before use. Always keep the cylinder upright and secured, connect only to a compatible CGA320 CO2 regulator, and check all fittings for leaks before operating the aquarium CO2 system.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Aluminum CO2 Cylinder - 5 Pound with CGA320 valve connection.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Miscellaneous","offers":[{"title":"Default Title","offer_id":50289872077088,"sku":"CR-P05LBC","price":162.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/cr-p05lbc.jpg?v=1753839157"},{"product_id":"needle-valve-for-co2-regulator-high-precision","title":"Needle Valve for CO2 Regulator","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eNeedle Valve for CO2 Regulator\u003c\/h2\u003e\n\u003cp\u003eNeedle Valve for CO2 Regulator is a high precision stainless steel needle valve for fine control of CO2 delivery in aquarium systems. It is useful when precise adjustment is needed for planted tank CO2 injection, calcium reactors, or other compatible CO2 applications.\u003c\/p\u003e\n\u003ch3\u003eHigh Precision CO2 Needle Valve for Aquarium Dosing Control\u003c\/h3\u003e\n\u003cp\u003eA good needle valve is one of the most important parts of a stable aquarium CO2 system. This valve allows finer adjustment than basic on\/off fittings, helping the user dial in a steady CO2 feed rate for a bubble counter, diffuser, reactor, or other compatible CO2 delivery method.\u003c\/p\u003e\n\u003ch3\u003eCO2 Needle Valve Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh precision needle valve for aquarium CO2 systems.\u003c\/li\u003e\n\u003cli\u003eStainless steel construction.\u003c\/li\u003e\n\u003cli\u003eSupports fine adjustment of CO2 introduction into the aquarium system.\u003c\/li\u003e\n\u003cli\u003eUseful for planted aquariums, calcium reactors, and compatible CO2 setups.\u003c\/li\u003e\n\u003cli\u003eHelps improve control compared with coarse adjustment hardware.\u003c\/li\u003e\n\u003cli\u003eMay require an adapter fitting depending on the regulator or plumbing setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNeedle Valve Specifications and Fit Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: CO2 needle valve.\u003c\/li\u003e\n\u003cli\u003eMaterial: Stainless steel.\u003c\/li\u003e\n\u003cli\u003eConnection: 1\/8\" MPT.\u003c\/li\u003e\n\u003cli\u003eUse: Precise aquarium CO2 flow adjustment.\u003c\/li\u003e\n\u003cli\u003eAdapter fitting may be required depending on the application.\u003c\/li\u003e\n\u003cli\u003eCO2 regulator, cylinder, solenoid, bubble counter, tubing, and diffuser are sold separately unless included in a package.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNeedle Valve Setup Notes\u003c\/h3\u003e\n\u003cp\u003eInstall the needle valve in the CO2 line where fine flow adjustment is required. Confirm thread compatibility before installation and use the proper adapter if needed. After assembly, open the CO2 supply slowly, adjust in small increments, and allow time for the bubble rate or reactor response to stabilize before making further changes.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Needle Valve for CO2 Regulator.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Miscellaneous","offers":[{"title":"Default Title","offer_id":50289872765216,"sku":"CR-PNVAL","price":32.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/cr-pnval.jpg?v=1753839158"},{"product_id":"aluminum-co2-cylinder-10-pound","title":"Aluminum CO2 Cylinder - 10 Pound","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eAluminum CO2 Cylinder - 10 Pound\u003c\/h2\u003e\n\u003cp\u003eAluminum CO2 Cylinder - 10 Pound is a refillable aluminum CO2 cylinder for aquarium CO2 systems that need more capacity between refills. It is well suited to larger planted aquariums, calcium reactor setups, or aquarium systems with higher CO2 demand.\u003c\/p\u003e\n\u003ch3\u003e10 Pound Aluminum CO2 Cylinder for Larger Aquarium Systems\u003c\/h3\u003e\n\u003cp\u003eThe 10 lb size provides more CO2 storage than a compact 5 lb cylinder, reducing refill frequency for many aquarium setups. It uses a CGA320 valve connection for compatible CO2 regulators and can support controlled CO2 delivery for freshwater planted tanks and calcium reactors.\u003c\/p\u003e\n\u003ch3\u003eAluminum 10 Pound CO2 Cylinder Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 lb CO2 cylinder for aquarium CO2 applications.\u003c\/li\u003e\n\u003cli\u003eAll aluminum cylinder construction.\u003c\/li\u003e\n\u003cli\u003eCGA320 valve connection for compatible CO2 regulators.\u003c\/li\u003e\n\u003cli\u003eLarger capacity helps extend time between refills.\u003c\/li\u003e\n\u003cli\u003eUseful for planted aquarium CO2 injection and calcium reactor systems.\u003c\/li\u003e\n\u003cli\u003eRefillable cylinder design for long-term aquarium CO2 use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e10 Pound CO2 Cylinder Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCapacity: 10 lb CO2 cylinder.\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum.\u003c\/li\u003e\n\u003cli\u003eValve connection: CGA320.\u003c\/li\u003e\n\u003cli\u003eHeight: 20\".\u003c\/li\u003e\n\u003cli\u003eDiameter: 7\".\u003c\/li\u003e\n\u003cli\u003eCO2 regulator is sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCO2 Cylinder Setup Notes\u003c\/h3\u003e\n\u003cp\u003ePlease note: CO2 cylinders are shipped empty. Have the cylinder filled by a qualified CO2 refill provider before use. Position the cylinder upright, keep it secured, connect it only to a compatible CGA320 CO2 regulator, and leak test all fittings before running the aquarium CO2 system.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Aluminum CO2 Cylinder - 10 Pound with CGA320 valve connection.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Miscellaneous","offers":[{"title":"Default Title","offer_id":50289872535840,"sku":"CR-P10LBC","price":254.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/cr-p10lbc.jpg?v=1753839159"},{"product_id":"ista-3-in-1-compact-v-co2-diffuser-large","title":"Ista 3 in 1 Compact V CO2 Diffuser - Large","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta 3 in 1 Compact V CO2 Diffuser - Large\u003c\/h2\u003e\n\u003ch3\u003eThree Essential CO2 Functions in One Compact Diffuser\u003c\/h3\u003e\n\u003cp\u003eThe Ista 3 in 1 Compact V CO2 Diffuser - Large combines a ceramic diffuser, bubble counter and one-way check valve in a single space-efficient aquarium component. Its transparent acrylic body allows the CO2 bubble rate to be observed clearly while the ceramic disc breaks the gas into fine bubbles for improved contact with the aquarium water.\u003c\/p\u003e\n\u003cp\u003eThe integrated stainless spring check valve helps protect the regulator and solenoid from water backsiphoning when the CO2 supply is switched off.\u003c\/p\u003e\n\u003ch3\u003eIsta Compact V Large Diffuser Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCombines diffusion, bubble counting and backflow protection\u003c\/li\u003e\n\u003cli\u003eFine ceramic disc produces small CO2 bubbles\u003c\/li\u003e\n\u003cli\u003eTransparent acrylic chamber provides a clear bubble-rate reference\u003c\/li\u003e\n\u003cli\u003eStainless spring check valve helps stop water backsiphoning\u003c\/li\u003e\n\u003cli\u003eReplaceable ceramic simplifies long-term maintenance\u003c\/li\u003e\n\u003cli\u003eCompact V-shaped design is easy to position inside the aquarium\u003c\/li\u003e\n\u003cli\u003eSuction-cup mounting supports secure glass installation\u003c\/li\u003e\n\u003cli\u003eCO2 pipe holder helps prevent tubing from bending or becoming pinched\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta Compact V Large Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-552\u003c\/li\u003e\n\u003cli\u003eFunctions: CO2 diffuser, bubble counter and check valve\u003c\/li\u003e\n\u003cli\u003eBody material: Clear acrylic\u003c\/li\u003e\n\u003cli\u003eDiffusion media: Replaceable ceramic disc\u003c\/li\u003e\n\u003cli\u003eMounting style: Suction cup\u003c\/li\u003e\n\u003cli\u003eApplication: Freshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856835525\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompact V Large Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eUse CO2-resistant tubing and a properly regulated pressurized CO2 source. The diffuser does not replace the regulator or needle valve required to control cylinder pressure and gas flow.\u003c\/p\u003e\n\u003cp\u003eThe ceramic must become completely saturated before producing its normal fine bubble pattern. Larger bubbles around the edge during initial use can be normal and should diminish after approximately 24 hours of soaking.\u003c\/p\u003e\n\u003ch3\u003eIsta Compact V Large Directions\u003c\/h3\u003e\n\u003cp\u003eRemove the upper cover and ceramic disc, fill the bubble-counter chamber with clean water and reinstall the ceramic and cover securely. Connect CO2-resistant tubing to the inlet and secure the diffuser low inside the aquarium using the suction cup.\u003c\/p\u003e\n\u003cp\u003eAllow the ceramic to soak for approximately 24 hours before evaluating diffusion. Begin CO2 flow at a low rate and adjust it gradually while observing the bubble counter and a separate CO2 indicator.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta 3 in 1 Compact V CO2 Diffuser - Large\u003c\/li\u003e\n\u003cli\u003eReplaceable ceramic diffuser disc\u003c\/li\u003e\n\u003cli\u003eIntegrated bubble counter and check valve\u003c\/li\u003e\n\u003cli\u003eSuction cup mount\u003c\/li\u003e\n\u003cli\u003eCO2 pipe holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289873912096,"sku":"GS-00563","price":22.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/gs-00563.jpg?v=1753839161"},{"product_id":"ista-all-angle-co2-indicator","title":"Ista CO2 Indicator","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta CO2 Indicator\u003c\/h2\u003e\n\u003ch3\u003eContinuous Visual CO2 Monitoring from Any Angle\u003c\/h3\u003e\n\u003cp\u003eThe Ista CO2 Indicator provides a simple visual method for monitoring approximate carbon-dioxide concentration in a freshwater planted aquarium. The indicator solution changes colour in response to the CO2 level and can be compared with the supplied reusable colour chart.\u003c\/p\u003e\n\u003cp\u003eIts adjustable all-angle design can be rotated for convenient viewing while the enclosed airspace helps keep the indicator solution separated from the aquarium water.\u003c\/p\u003e\n\u003ch3\u003eIsta All-Angle CO2 Indicator Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides continuous visual monitoring of aquarium CO2 levels\u003c\/li\u003e\n\u003cli\u003eColour-changing solution offers an easy reference for CO2 adjustment\u003c\/li\u003e\n\u003cli\u003eAll-angle design can be rotated for easier viewing\u003c\/li\u003e\n\u003cli\u003eClear acrylic window provides unobstructed colour observation\u003c\/li\u003e\n\u003cli\u003eProtected reservoir helps prevent indicator solution from spilling\u003c\/li\u003e\n\u003cli\u003eReusable waterproof colour chart can be repositioned as needed\u003c\/li\u003e\n\u003cli\u003eSuction-cup mounting supports flexible aquarium placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta CO2 Indicator Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-690\u003c\/li\u003e\n\u003cli\u003eIndicator type: In-aquarium colour-change CO2 monitor\u003c\/li\u003e\n\u003cli\u003eSolution capacity per setup: Approximately 1 cc\u003c\/li\u003e\n\u003cli\u003eIncluded solution volume: 10 cc\u003c\/li\u003e\n\u003cli\u003eMounting style: Suction cup\u003c\/li\u003e\n\u003cli\u003eApplication: Freshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856836904\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCO2 Indicator Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThe indicator provides an approximate visual reading and does not replace pH, alkalinity or dissolved-gas testing where precise measurement is required. Colour response is not immediate; allow sufficient time after changing the CO2 flow before making another adjustment.\u003c\/p\u003e\n\u003cp\u003eThe airspace outlet must face downward while submerged. Replace the indicator solution approximately every two to four weeks or whenever the colour response becomes difficult to interpret.\u003c\/p\u003e\n\u003ch3\u003eIsta CO2 Indicator Directions\u003c\/h3\u003e\n\u003cp\u003eRemove the airspace cap and add approximately 1 cc of indicator solution to the reservoir. Reattach the cap securely, keep the airspace outlet facing downward and submerge the unit without allowing aquarium water to enter the solution chamber.\u003c\/p\u003e\n\u003cp\u003eAttach the indicator inside the aquarium and place the reusable colour chart on the outside glass near the suction cup. Compare the solution colour with the chart after the indicator has had time to respond to the aquarium's CO2 concentration.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta CO2 Indicator\u003c\/li\u003e\n\u003cli\u003eSuction cup mount\u003c\/li\u003e\n\u003cli\u003e10 cc bottle of CO2 indicator solution\u003c\/li\u003e\n\u003cli\u003eReusable colour chart sticker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289873453344,"sku":"GS-00690","price":14.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/co2indicator2022_1.jpg?v=1753839163"},{"product_id":"ista-mini-ceramic-co2-diffuser-cone","title":"Ista Mini Ceramic CO2 Diffuser Cone","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Mini Ceramic CO2 Diffuser Cone\u003c\/h2\u003e\n\u003ch3\u003eCompact Bubble Counting and CO2 Diffusion\u003c\/h3\u003e\n\u003cp\u003eThe Ista Mini Ceramic CO2 Diffuser Cone combines a ceramic diffuser and bubble counter in a compact acrylic unit designed for smaller freshwater planted aquariums. The clear chamber makes the dosing rate easy to observe while the ceramic element produces fine bubbles that remain in contact with the aquarium water longer than large unrestricted bubbles.\u003c\/p\u003e\n\u003cp\u003eIts compact cone-shaped profile fits neatly into nano and space-conscious planted systems without sacrificing convenient bubble-rate monitoring.\u003c\/p\u003e\n\u003ch3\u003eIsta Mini Cone Diffuser Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCombines a CO2 bubble counter and ceramic diffuser\u003c\/li\u003e\n\u003cli\u003eFine ceramic element produces small CO2 bubbles\u003c\/li\u003e\n\u003cli\u003eClear acrylic construction provides easy bubble observation\u003c\/li\u003e\n\u003cli\u003eReplaceable ceramic simplifies cleaning and maintenance\u003c\/li\u003e\n\u003cli\u003eCompact dimensions suit nano and smaller planted aquariums\u003c\/li\u003e\n\u003cli\u003eCO2 tube holder helps prevent kinks in the supply line\u003c\/li\u003e\n\u003cli\u003eSuction-cup mounting supports secure aquarium placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta Mini Ceramic Diffuser Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-685\u003c\/li\u003e\n\u003cli\u003eFunctions: Ceramic CO2 diffuser and bubble counter\u003c\/li\u003e\n\u003cli\u003eBody material: Clear acrylic\u003c\/li\u003e\n\u003cli\u003eDiffusion media: Replaceable ceramic\u003c\/li\u003e\n\u003cli\u003eApplication: Freshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856836850\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMini Cone Diffuser Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThe diffuser requires a regulated CO2 source and CO2-resistant tubing. A separate check valve should be installed if backflow protection is not already provided elsewhere in the system.\u003c\/p\u003e\n\u003cp\u003ePositioning the diffuser low in the aquarium increases the distance bubbles must travel and can improve contact time. Actual CO2 concentration should be confirmed with an indicator and by observing livestock.\u003c\/p\u003e\n\u003ch3\u003eIsta Mini Cone Diffuser Directions\u003c\/h3\u003e\n\u003cp\u003eOpen the diffuser chamber, remove the ceramic element and fill the bubble-counter reservoir with clean water. Reinstall the ceramic and cap securely, then connect the CO2 tubing and mount the diffuser low inside the aquarium.\u003c\/p\u003e\n\u003cp\u003eAllow the ceramic to soak fully before increasing the gas flow. Start at a low bubble rate and make gradual adjustments while monitoring the aquarium's CO2 level.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta Mini Ceramic CO2 Diffuser Cone\u003c\/li\u003e\n\u003cli\u003eReplaceable ceramic diffuser element\u003c\/li\u003e\n\u003cli\u003eSuction cup mount\u003c\/li\u003e\n\u003cli\u003eCO2 tube holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289873584416,"sku":"GS-00685","price":12.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/gs-00685.jpg?v=1753839162"},{"product_id":"ista-co2-mini-gauge-controller","title":"Ista CO2 Mini Gauge Controller","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta CO2 Mini Gauge Controller\u003c\/h2\u003e\n\u003ch3\u003ePrecision Regulation and Automated CO2 Control\u003c\/h3\u003e\n\u003cp\u003eThe Ista CO2 Mini Gauge Controller provides adjustable pressure regulation and electrically controlled gas delivery for compatible ISTA disposable CO2 cartridges. Its compact dual-gauge design allows the user to monitor cylinder pressure and regulated output while the precision needle valve supports fine adjustment of the aquarium dosing rate.\u003c\/p\u003e\n\u003cp\u003eAn integrated electronic solenoid allows the CO2 supply to be switched automatically through a compatible timer or aquarium controller, helping limit unnecessary gas delivery when the aquarium lighting is off.\u003c\/p\u003e\n\u003ch3\u003eIsta Mini Gauge Controller Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual gauges display cylinder pressure and regulated output pressure\u003c\/li\u003e\n\u003cli\u003ePrecision needle valve supports fine CO2 flow adjustment\u003c\/li\u003e\n\u003cli\u003eElectronic solenoid enables timer-controlled operation\u003c\/li\u003e\n\u003cli\u003ePressure-reduced design provides stable and reliable output\u003c\/li\u003e\n\u003cli\u003eIntegrated safety valve helps protect against excessive pressure\u003c\/li\u003e\n\u003cli\u003eCompact gauge arrangement reduces installation space\u003c\/li\u003e\n\u003cli\u003eHand-tightening design allows installation without tools\u003c\/li\u003e\n\u003cli\u003eStainless steel construction provides corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta CO2 Controller Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eController type: Pressure-reduced CO2 regulator with solenoid\u003c\/li\u003e\n\u003cli\u003eGauge configuration: Dual mini gauges\u003c\/li\u003e\n\u003cli\u003eFlow adjustment: Precision needle valve\u003c\/li\u003e\n\u003cli\u003eAutomation: Electric solenoid\u003c\/li\u003e\n\u003cli\u003ePower cord length: Approximately 1.5 metres\u003c\/li\u003e\n\u003cli\u003eApplication: Compatible ISTA disposable CO2 systems\u003c\/li\u003e\n\u003cli\u003eUPC: 471985683548\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMini Gauge Controller Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eConfirm cylinder-thread compatibility before installation. The controller does not include a CO2 cylinder, timer, tubing, bubble counter, diffuser or CO2 indicator unless supplied as part of a separate package.\u003c\/p\u003e\n\u003cp\u003eKeep the controller and solenoid dry and protected from aquarium splash. Never use tools to overtighten a hand-tightened connection. Close the cylinder and release all remaining regulator pressure before removing the controller.\u003c\/p\u003e\n\u003ch3\u003eIsta Mini Gauge Controller Directions\u003c\/h3\u003e\n\u003cp\u003eTurn the flow-adjustment control fully closed before attaching the controller to the compatible CO2 cartridge. Hand-tighten the connection without tools and attach CO2-resistant tubing to the outlet.\u003c\/p\u003e\n\u003cp\u003eConnect the solenoid to a compatible timer or controller and place it in the powered-on position. Open the cylinder supply gradually, then adjust the needle valve slowly while observing a connected bubble counter. Check all connections for leakage before continuous use.\u003c\/p\u003e\n\u003cp\u003eTo remove the controller, close the cylinder completely, open the needle valve to release trapped pressure and wait until both gauges indicate that pressure has been discharged.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta CO2 Mini Gauge Controller\u003c\/li\u003e\n\u003cli\u003eIntegrated dual gauges\u003c\/li\u003e\n\u003cli\u003ePrecision needle valve\u003c\/li\u003e\n\u003cli\u003eElectronic solenoid with power cord\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289919361312,"sku":"GS-00550","price":155.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/gs-00550.jpg?v=1753839563"},{"product_id":"ista-2-in-1-metal-bubble-counter-and-valve","title":"Ista 2-in-1 Metal Bubble Counter and Valve","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta 2-in-1 Metal Bubble Counter and Valve\u003c\/h2\u003e\n\u003ch3\u003eDurable CO2 Bubble Counting and Backflow Protection\u003c\/h3\u003e\n\u003cp\u003eThe Ista 2-in-1 Metal Bubble Counter and Valve combines two important planted-aquarium CO2 functions in one durable inline component. The transparent chamber provides a visible reference for measuring the CO2 bubble rate, while the internal spring-loaded check valve helps prevent aquarium water from siphoning backward toward the regulator.\u003c\/p\u003e\n\u003cp\u003eIts metal construction is designed for extended service and integrates neatly with compatible ISTA CO2 controllers and metal flow-distribution systems.\u003c\/p\u003e\n\u003ch3\u003eIsta Metal Bubble Counter Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCombines a CO2 bubble counter and check valve in one component\u003c\/li\u003e\n\u003cli\u003eClear chamber provides direct observation of the CO2 dosing rate\u003c\/li\u003e\n\u003cli\u003eStainless steel spring check valve helps prevent water backflow\u003c\/li\u003e\n\u003cli\u003eDurable metal construction supports long-term planted-aquarium use\u003c\/li\u003e\n\u003cli\u003eCompact inline design keeps CO2 installations organized\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible ISTA controllers and metal flow regulators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta 2-in-1 Bubble Counter Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-532\u003c\/li\u003e\n\u003cli\u003eFunctions: Bubble counter and one-way check valve\u003c\/li\u003e\n\u003cli\u003eCheck-valve mechanism: Stainless steel spring\u003c\/li\u003e\n\u003cli\u003eApplication: Pressurized aquarium CO2 systems\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856835327\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMetal Bubble Counter Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThis component measures visible bubbles but does not regulate pressure by itself. A compatible CO2 cylinder, regulator, needle valve, CO2-resistant tubing and diffuser are required for a complete system.\u003c\/p\u003e\n\u003cp\u003eInstall the unit in the correct flow direction and keep it upright for consistent bubble observation. Inspect the check valve periodically because mineral deposits or contamination can interfere with one-way operation.\u003c\/p\u003e\n\u003ch3\u003eIsta Metal Bubble Counter Directions\u003c\/h3\u003e\n\u003cp\u003eTurn off the CO2 supply and release residual pressure before installation. Fill the viewing chamber with clean water according to the product design, then connect the supply side to the regulator and the outlet side to the aquarium diffuser.\u003c\/p\u003e\n\u003cp\u003eMount the counter upright and restore CO2 flow gradually. Adjust the regulator or needle valve while observing the bubble rate. Check all connections for leakage and confirm that aquarium water does not travel backward when the CO2 supply is switched off.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Ista 2-in-1 Metal Bubble Counter and Check Valve\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289918247200,"sku":"GS-00532","price":25.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/gs-00532.jpg?v=1753839561"},{"product_id":"seachem-glass-ph-checker","title":"Seachem Glass pH Checker","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eSeachem Glass pH Checker\u003c\/h2\u003e\n\u003cp\u003eSeachem Glass pH Checker is a glass monitoring accessory for planted aquariums with CO2 injection, using colour-changing indicator solution to help track pH changes related to dissolved CO2.\u003c\/p\u003e\n\u003ch3\u003eSeachem Glass pH Checker for CO2 Injected Planted Tanks\u003c\/h3\u003e\n\u003cp\u003eThe Glass pH Checker is designed for planted aquariums using CO2 systems. When filled with CO2 indicator solution, it provides an easy visual reference as the indicator colour changes in response to pH changes caused by CO2 levels in the aquarium.\u003c\/p\u003e\n\u003ch3\u003ePlanted Aquarium pH Checker Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMonitors pH solution in the aquarium.\u003c\/li\u003e\n\u003cli\u003eEasy-to-read colour-changing indicator solution is included.\u003c\/li\u003e\n\u003cli\u003eRecommended for planted aquariums with CO2 injection systems.\u003c\/li\u003e\n\u003cli\u003eHelps provide a quick visual reference for CO2-related pH changes.\u003c\/li\u003e\n\u003cli\u003eGlass construction keeps the display clean and aquascape-friendly.\u003c\/li\u003e\n\u003cli\u003eUseful for daily CO2 system observation alongside regular aquarium testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSeachem Glass pH Checker Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Glass pH and CO2 monitoring accessory\u003c\/li\u003e\n\u003cli\u003ePrimary use: Visual monitoring in CO2 injected planted aquariums\u003c\/li\u003e\n\u003cli\u003eDiameter reference: 25 mm\u003c\/li\u003e\n\u003cli\u003eIndicator type: Colour-changing CO2 indicator solution\u003c\/li\u003e\n\u003cli\u003eSuitable systems: Freshwater planted aquariums with CO2 injection\u003c\/li\u003e\n\u003cli\u003eReplacement solution: Seachem CO2 Indicator Solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections for Seachem Glass pH Checker\u003c\/h3\u003e\n\u003cp\u003eHold the funnel side upward and fill the small bulb with CO2 indicator solution. Slowly turn the funnel side down to avoid spilling the solution, then insert the checker into the aquarium with the funnel side down so air is trapped in the funnel. Attach it at a point away from the diffuser for a more useful reading. More yellow indicates lower pH and more CO2, while more blue indicates higher pH and less CO2.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Seachem Glass pH Checker\u003c\/li\u003e\n\u003cli\u003e1 x CO2 indicator solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Seachem Laboratories","offers":[{"title":"Default Title","offer_id":50289923752224,"sku":"SC-FGCGPH","price":12.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/sc-fgcgph.jpg?v=1753839574"},{"product_id":"seachem-glass-beetle-diffuser-30mm","title":"Seachem Glass Beetle Diffuser - 30mm","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eSeachem Glass Beetle Diffuser - 30mm\u003c\/h2\u003e\n\u003cp\u003eSeachem Glass Beetle Diffuser - 30mm is a pollen-style glass CO2 diffuser for planted aquariums, designed to disperse larger volumes of CO2 gas through a broad 30 mm diffuser disc.\u003c\/p\u003e\n\u003ch3\u003eSeachem 30mm Beetle Diffuser for Planted Aquariums\u003c\/h3\u003e\n\u003cp\u003eThe 30 mm Beetle Diffuser connects to CO2 injection systems and disperses CO2 into the planted aquarium through a large diffuser disc. Its larger surface area makes it a strong option for larger planted tanks or higher-growth aquariums that require more CO2 distribution.\u003c\/p\u003e\n\u003ch3\u003eGlass CO2 Diffuser Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePollen-style CO2 diffuser for planted aquariums.\u003c\/li\u003e\n\u003cli\u003eLarge 30 mm disc supports diffusion of higher CO2 volumes.\u003c\/li\u003e\n\u003cli\u003eGlass design provides a clean low-visibility appearance in aquascapes.\u003c\/li\u003e\n\u003cli\u003eConnects directly to pressurized CO2 injection systems.\u003c\/li\u003e\n\u003cli\u003eCompatible with 6 mm (1\/4 in) standard airline tubing.\u003c\/li\u003e\n\u003cli\u003eGood option for larger planted aquariums or high-growth setups.\u003c\/li\u003e\n\u003cli\u003eSuction cups are included for attachment to aquarium glass.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSeachem Beetle Diffuser Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Glass CO2 diffuser\u003c\/li\u003e\n\u003cli\u003eDiffuser style: Pollen-style Beetle Diffuser\u003c\/li\u003e\n\u003cli\u003eDisc size: 30 mm\u003c\/li\u003e\n\u003cli\u003ePrimary use: CO2 dispersion in planted aquariums\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: 6 mm (1\/4 in) standard airline tubing\u003c\/li\u003e\n\u003cli\u003eRecommended use: Larger aquariums or high-growth planted tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections for Seachem Glass Beetle Diffuser\u003c\/h3\u003e\n\u003cp\u003eRinse the glassware with warm water before use. Attach compatible CO2 tubing to the diffuser and secure the diffuser inside the aquarium with the included suction cup. Place the diffuser low in the aquarium where water flow can help distribute CO2 throughout the tank. Allow the ceramic disc to wet before expecting normal bubble performance, then adjust CO2 slowly while monitoring fish and plant response.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Seachem Glass Beetle Diffuser - 30mm\u003c\/li\u003e\n\u003cli\u003e1 x Suction cup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Seachem Laboratories","offers":[{"title":"Default Title","offer_id":50289926144288,"sku":"SC-FGCBD30","price":31.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/sc-fgcbd30.jpg?v=1753839573"},{"product_id":"seachem-glass-bubble-counting-spiral-diffuser-23mm","title":"Seachem Glass Bubble Counting Spiral Diffuser - 23mm","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eSeachem Glass Bubble Counting Spiral Diffuser - 23mm\u003c\/h2\u003e\n\u003cp\u003eSeachem Glass Bubble Counting Spiral Diffuser - 23mm is a pollen-style glass CO2 diffuser with a built-in spiral bubble counter for planted aquariums, combining CO2 diffusion and bubble-rate monitoring in one unit.\u003c\/p\u003e\n\u003ch3\u003eSeachem Spiral Bubble Counting Diffuser for Planted Tanks\u003c\/h3\u003e\n\u003cp\u003eThe 23 mm spiral diffuser connects to a CO2 injection system and disperses CO2 gas into the planted aquarium while allowing the aquarist to monitor bubble rate through the built-in spiral bubble counter. This reduces the need for a separate bubble counter on the CO2 tank or inline tubing.\u003c\/p\u003e\n\u003ch3\u003eBubble Counting Diffuser Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCombines CO2 diffusion and bubble counting in one glass unit.\u003c\/li\u003e\n\u003cli\u003ePollen-style diffuser disperses CO2 gas into the planted aquarium.\u003c\/li\u003e\n\u003cli\u003eBuilt-in spiral bubble counter helps monitor CO2 injection rate.\u003c\/li\u003e\n\u003cli\u003eReduces the need for a separate bubble counter.\u003c\/li\u003e\n\u003cli\u003e23 mm diffuser disc supports effective CO2 dispersion.\u003c\/li\u003e\n\u003cli\u003eCompatible with 6 mm (1\/4 in) standard airline tubing.\u003c\/li\u003e\n\u003cli\u003eElegant glass design suits planted aquascapes.\u003c\/li\u003e\n\u003cli\u003eSuction cup is included for attachment to aquarium glass.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSeachem Spiral Diffuser Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Glass CO2 diffuser with built-in bubble counter\u003c\/li\u003e\n\u003cli\u003eDiffuser style: Pollen-style spiral bubble counting diffuser\u003c\/li\u003e\n\u003cli\u003eDisc size: 23 mm\u003c\/li\u003e\n\u003cli\u003eRecommended aquarium range: 75-190 L (20-50 US gallons)\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: 6 mm (1\/4 in) standard airline tubing\u003c\/li\u003e\n\u003cli\u003ePrimary use: CO2 diffusion and bubble-rate monitoring in planted aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections for Seachem Spiral Bubble Counting Diffuser\u003c\/h3\u003e\n\u003cp\u003eRinse the glassware with warm water before installation. Attach the suction cup and compatible 6 mm (1\/4 in) CO2 tubing to the diffuser. Place the diffuser low in the aquarium and position it where water movement can help distribute CO2. Fill the bubble counter path as needed for visibility, then adjust CO2 slowly while observing bubble rate, livestock response, and plant growth.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Seachem Glass Bubble Counting Spiral Diffuser - 23mm\u003c\/li\u003e\n\u003cli\u003e1 x Suction cup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Seachem Laboratories","offers":[{"title":"Default Title","offer_id":50289923555616,"sku":"SC-FGCSD23","price":23.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/sc-fgcsd23.jpg?v=1753839579"},{"product_id":"ista-3-in-1-replacement-co2-diffuser-large","title":"Ista 3 in 1 Replacement CO2 Diffuser - Large","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta 3 in 1 Replacement CO2 Diffuser - Large\u003c\/h2\u003e\n\u003ch3\u003eReplacement Ceramic for the Large Ista Compact V Diffuser\u003c\/h3\u003e\n\u003cp\u003eThe Ista 3 in 1 Replacement CO2 Diffuser - Large replaces the removable ceramic element in the compatible Large Ista Compact V three-in-one CO2 diffuser. It restores the fine porous surface responsible for dividing regulated CO2 into small bubbles inside the aquarium.\u003c\/p\u003e\n\u003cp\u003eThe replaceable design allows the original acrylic body, bubble counter and integrated check valve to remain in service when only the ceramic disc requires attention.\u003c\/p\u003e\n\u003ch3\u003eIsta Large Replacement Ceramic Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Large Compact V three-in-one diffuser\u003c\/li\u003e\n\u003cli\u003eFine ceramic surface supports efficient CO2 diffusion\u003c\/li\u003e\n\u003cli\u003eReplaces a clogged, worn or damaged original element\u003c\/li\u003e\n\u003cli\u003eExtends the usable life of the complete diffuser assembly\u003c\/li\u003e\n\u003cli\u003eInstalls beneath the original removable diffuser cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta Large Replacement Diffuser Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-5891\u003c\/li\u003e\n\u003cli\u003eComponent type: Replacement ceramic diffusion disc\u003c\/li\u003e\n\u003cli\u003eCompatible product: Ista 3 in 1 Compact V CO2 Diffuser - Large\u003c\/li\u003e\n\u003cli\u003eQuantity: One ceramic replacement\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856838915\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLarge Replacement Ceramic Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThis replacement is intended for the Large Compact V diffuser. It does not fit the Small version or the Ista UFO diffuser series.\u003c\/p\u003e\n\u003cp\u003eCheck the diffuser cap, acrylic chamber, seal and integrated check valve while the assembly is open. Damaged structural components require separate replacement.\u003c\/p\u003e\n\u003ch3\u003eIsta Large Ceramic Replacement Directions\u003c\/h3\u003e\n\u003cp\u003eShut off the CO2 supply and remove the diffuser from the aquarium. Open the ceramic-retaining cover and remove the original disc. Clean the seating area carefully without scratching or cracking the acrylic body.\u003c\/p\u003e\n\u003cp\u003ePosition the new ceramic evenly, reinstall the cover and refill the bubble-counter chamber as required. Allow approximately 24 hours for the ceramic to become fully saturated before making final CO2 adjustments.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Large Ista Compact V replacement ceramic diffuser\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289990959392,"sku":"GS-00891","price":8.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/diffuserreplacementlarge_1.jpg?v=1753839995"},{"product_id":"ista-3-in-1-replacement-co2-diffuser-small","title":"Ista 3 in 1 Replacement CO2 Diffuser - Small","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta 3 in 1 Replacement CO2 Diffuser - Small\u003c\/h2\u003e\n\u003ch3\u003eReplacement Ceramic for the Small Ista Compact V Diffuser\u003c\/h3\u003e\n\u003cp\u003eThe Ista 3 in 1 Replacement CO2 Diffuser - Small replaces the ceramic diffusion element used in the compatible Small Ista Compact V three-in-one CO2 diffuser. A fresh ceramic can restore fine bubble production when the original disc has become damaged, permanently clogged or difficult to clean.\u003c\/p\u003e\n\u003cp\u003eReplacing only the serviceable ceramic allows the diffuser body, bubble counter and check valve to remain in use.\u003c\/p\u003e\n\u003ch3\u003eIsta Small Replacement Ceramic Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for the Small Compact V CO2 diffuser\u003c\/li\u003e\n\u003cli\u003eFine porous ceramic produces small CO2 bubbles\u003c\/li\u003e\n\u003cli\u003eRestores diffusion without replacing the complete assembly\u003c\/li\u003e\n\u003cli\u003eSuitable for routine maintenance or replacement of a damaged disc\u003c\/li\u003e\n\u003cli\u003eInstalls inside the original removable diffuser cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta Small Replacement Diffuser Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-5888\u003c\/li\u003e\n\u003cli\u003eComponent type: Replacement ceramic diffusion disc\u003c\/li\u003e\n\u003cli\u003eCompatible product: Ista 3 in 1 Compact V CO2 Diffuser - Small\u003c\/li\u003e\n\u003cli\u003eQuantity: One ceramic replacement\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856838885\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSmall Replacement Ceramic Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThis ceramic is for the Small Compact V diffuser and is not interchangeable with the Large replacement element. Confirm the diffuser size before installation.\u003c\/p\u003e\n\u003cp\u003eInspect the original diffuser body, seals, check valve and cap before reassembly. Replace the complete unit if the acrylic body or retaining components are cracked or damaged.\u003c\/p\u003e\n\u003ch3\u003eIsta Small Ceramic Replacement Directions\u003c\/h3\u003e\n\u003cp\u003eTurn off the CO2 supply and remove the diffuser from the aquarium. Unscrew or release the diffuser cap, remove the existing ceramic and clean the seating surface.\u003c\/p\u003e\n\u003cp\u003eInstall the replacement ceramic evenly and secure the cap without overtightening it. Refill the bubble-counter chamber if necessary, reinstall the diffuser and allow the ceramic to soak for approximately 24 hours before evaluating its bubble pattern.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Small Ista Compact V replacement ceramic diffuser\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289991057696,"sku":"GS-00888","price":6.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/diffuserreplacementsmall_1.jpg?v=1753840000"},{"product_id":"ista-water-plant-co2-tablet-100-tablet","title":"Ista Water Plant CO2 Tablet - 100 Tablet","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Water Plant CO2 Tablet - 100 Tablet\u003c\/h2\u003e\n\u003ch3\u003eSimple CO2 Supplementation for Planted Aquariums\u003c\/h3\u003e\n\u003cp\u003eIsta Water Plant CO2 Tablets provide a convenient way to supplement carbon dioxide in freshwater planted aquariums without installing a pressurized CO2 system. Each slow-dissolving tablet releases CO2 into the aquarium water where it can be used by aquatic plants during photosynthesis.\u003c\/p\u003e\n\u003cp\u003eThe tablet format is particularly useful for smaller planted aquariums, introductory aquascapes and systems where compact installation and straightforward dosing are priorities.\u003c\/p\u003e\n\u003ch3\u003eIsta CO2 Tablet Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides a convenient source of supplemental CO2 for aquatic plants\u003c\/li\u003e\n\u003cli\u003eSlow-dissolving tablet releases CO2 directly into aquarium water\u003c\/li\u003e\n\u003cli\u003eRequires no cylinder, regulator, tubing or diffuser\u003c\/li\u003e\n\u003cli\u003eEasy to portion according to aquarium volume\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eCompact 100-tablet package supports ongoing dosing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta Water Plant CO2 Tablet Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-510\u003c\/li\u003e\n\u003cli\u003eProduct type: Dissolving aquarium CO2 tablet\u003c\/li\u003e\n\u003cli\u003eRecommended application: Freshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eManufacturer dosage: Approximately one tablet per 20 litres daily\u003c\/li\u003e\n\u003cli\u003eApproximate dissolving time: Two hours\u003c\/li\u003e\n\u003cli\u003eQuantity: 100 tablets\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856835105\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCO2 Tablet Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eCO2 supplementation can affect aquarium pH. ISTA states that one tablet per 20 litres may increase dissolved CO2 by approximately 5 mg\/L and reduce pH by approximately 0.2, although the actual result will vary with alkalinity, circulation, plant mass and gas exchange.\u003c\/p\u003e\n\u003cp\u003eMonitor aquarium inhabitants and water parameters when beginning use. Do not increase the dosage rapidly or use tablets as a substitute for correcting inadequate lighting, nutrition or water quality.\u003c\/p\u003e\n\u003ch3\u003eIsta CO2 Tablet Directions\u003c\/h3\u003e\n\u003cp\u003eAdd the tablet directly to the freshwater planted aquarium. ISTA recommends approximately one tablet per 20 litres of aquarium water each day. Allow the tablet to dissolve fully and observe the aquarium before adjusting the amount.\u003c\/p\u003e\n\u003cp\u003eBegin conservatively in aquariums containing fish or invertebrates and monitor pH and animal behaviour. Discontinue or reduce dosing if livestock shows signs of stress.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e100 Ista Water Plant CO2 Tablets\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289990926624,"sku":"GS-00510","price":13.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/co2tablet100_1.jpg?v=1753839992"},{"product_id":"seachem-co2-indicator-solution-50ml","title":"Seachem Co2 Indicator Solution - 50ml","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eSeachem Co2 Indicator Solution - 50ml\u003c\/h2\u003e\n\u003cp\u003eSeachem Co2 Indicator Solution - 50ml is a replacement colour-changing indicator solution for Seachem Glass pH Checker units, used to visually monitor CO2-related pH changes in planted aquariums.\u003c\/p\u003e\n\u003ch3\u003eSeachem CO2 Indicator Solution for Glass pH Checker\u003c\/h3\u003e\n\u003cp\u003eThis replacement solution is used inside Seachem Glass pH Checker glassware. The solution changes colour as pH changes in response to dissolved CO2, giving planted aquarium keepers a simple visual reference for CO2 system adjustment.\u003c\/p\u003e\n\u003ch3\u003eCO2 Indicator Solution Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement indicator solution for Seachem Glass pH Checker.\u003c\/li\u003e\n\u003cli\u003eChanges colour according to pH changes caused by CO2 levels.\u003c\/li\u003e\n\u003cli\u003eRecommended for planted aquariums with CO2 injection systems.\u003c\/li\u003e\n\u003cli\u003eHelps make CO2 monitoring easier with a quick visual reference.\u003c\/li\u003e\n\u003cli\u003eUseful for routine replacement when the original indicator solution is depleted or needs refreshing.\u003c\/li\u003e\n\u003cli\u003e50 ml bottle supports repeated refills.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSeachem CO2 Indicator Solution Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Replacement CO2 indicator solution\u003c\/li\u003e\n\u003cli\u003ePrimary use: Visual CO2 and pH monitoring with Seachem Glass pH Checker\u003c\/li\u003e\n\u003cli\u003eSuitable systems: Freshwater planted aquariums with CO2 injection\u003c\/li\u003e\n\u003cli\u003eColour reference: Yellow to green to blue depending on CO2-related pH level\u003c\/li\u003e\n\u003cli\u003eCompatible accessory: Seachem Glass pH Checker\u003c\/li\u003e\n\u003cli\u003eBottle size: 50 ml\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections for Seachem CO2 Indicator Solution\u003c\/h3\u003e\n\u003cp\u003eUse with Seachem Glass pH Checker. Hold the funnel side of the checker upward and fill the small bulb with indicator solution. Slowly turn the funnel side down to avoid spilling the solution, then place the checker in the aquarium with the funnel side down so air remains trapped in the funnel. Position it away from the CO2 diffuser for more useful monitoring. Refresh the solution as needed for clear colour reading.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e1 x Seachem Co2 Indicator Solution - 50ml\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Seachem Laboratories","offers":[{"title":"Default Title","offer_id":50289991418144,"sku":"SC-FGCGPHR","price":4.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/co2indicator50ml.jpg?v=1753840001"},{"product_id":"ista-replacement-ceramic-for-ufo-co2-diffuser","title":"Ista Replacement Ceramic for UFO CO2 Diffuser","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Replacement Ceramic for UFO CO2 Diffuser\u003c\/h2\u003e\n\u003ch3\u003eReplacement Diffusion Disc for the Ista UFO Large\u003c\/h3\u003e\n\u003cp\u003eThe Ista Replacement Ceramic for UFO CO2 Diffuser is the model-specific porous disc used in the Ista I-505 UFO CO2 Diffuser Large. It replaces a damaged, worn or permanently clogged ceramic while allowing the original diffuser housing, suction cup and tubing connection to remain in service.\u003c\/p\u003e\n\u003cp\u003eThe fine ceramic surface divides regulated CO2 into small bubbles for improved contact time within a freshwater planted aquarium.\u003c\/p\u003e\n\u003ch3\u003eIsta UFO Replacement Ceramic Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Ista I-505 UFO CO2 Diffuser Large\u003c\/li\u003e\n\u003cli\u003eFine porous ceramic produces small CO2 bubbles\u003c\/li\u003e\n\u003cli\u003eRestores diffusion performance without replacing the complete unit\u003c\/li\u003e\n\u003cli\u003eRemovable design supports routine servicing and cleaning\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the original large UFO ceramic disc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta UFO Ceramic Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-5887\u003c\/li\u003e\n\u003cli\u003eCompatible diffuser: Ista I-505 UFO CO2 Diffuser Large\u003c\/li\u003e\n\u003cli\u003eApproximate diameter: 29 mm\u003c\/li\u003e\n\u003cli\u003eApproximate thickness: 3 mm\u003c\/li\u003e\n\u003cli\u003eQuantity: One replacement ceramic disc\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856838878\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUFO Replacement Ceramic Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThis replacement is for the Large Ista UFO diffuser and should not be assumed to fit Small or Medium UFO models or the Compact V diffuser series.\u003c\/p\u003e\n\u003cp\u003eInspect the diffuser body and retaining threads before installation. Replace the complete diffuser if the housing is cracked or can no longer hold the ceramic securely.\u003c\/p\u003e\n\u003ch3\u003eIsta UFO Ceramic Replacement Directions\u003c\/h3\u003e\n\u003cp\u003eTurn off the CO2 supply and remove the UFO diffuser from the aquarium. Use a coin in the bottom retaining slot to loosen the ceramic holder, then remove the existing disc and clean the seating surface.\u003c\/p\u003e\n\u003cp\u003ePosition the replacement ceramic evenly and tighten the holder securely without excessive force. Reinstall the diffuser near the bottom of the aquarium and allow the ceramic to soak for approximately 24 hours before judging the final bubble pattern.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Ista I-5887 replacement ceramic disc for the UFO CO2 Diffuser Large\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289992040736,"sku":"GS-05887","price":7.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/ceramicufodiffuser_1.jpg?v=1753840179"},{"product_id":"seachem-glass-bubble-counter","title":"Seachem Glass Bubble Counter","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eSeachem Glass Bubble Counter\u003c\/h2\u003e\n\u003cp\u003eSeachem Glass Bubble Counter is a simple glass CO2 monitoring accessory for planted aquariums, designed to let aquarists visually count bubbles and fine tune the rate of CO2 injection.\u003c\/p\u003e\n\u003ch3\u003eSeachem Glass Bubble Counter for Planted CO2 Systems\u003c\/h3\u003e\n\u003cp\u003eThe Glass Bubble Counter is installed in the CO2 gas line so the bubble rate can be checked at a glance. This helps make planted aquarium CO2 adjustment easier while keeping the equipment profile clean and minimal.\u003c\/p\u003e\n\u003ch3\u003eCO2 Bubble Counter Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAllows easy visual monitoring of CO2 injection rate.\u003c\/li\u003e\n\u003cli\u003eGlass construction gives planted aquariums a clean appearance.\u003c\/li\u003e\n\u003cli\u003ePlaced in the CO2 gas line to reduce visible equipment inside the aquascape.\u003c\/li\u003e\n\u003cli\u003eHelps aquarists make repeatable CO2 adjustments.\u003c\/li\u003e\n\u003cli\u003eCompatible with 6 mm (1\/4 in) standard airline tubing.\u003c\/li\u003e\n\u003cli\u003eUseful for planted aquariums using pressurized CO2 injection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSeachem Glass Bubble Counter Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Glass CO2 bubble counter\u003c\/li\u003e\n\u003cli\u003ePrimary use: Monitoring CO2 bubble rate\u003c\/li\u003e\n\u003cli\u003eSuitable systems: Freshwater planted aquariums with CO2 injection\u003c\/li\u003e\n\u003cli\u003eDiameter reference: 17 mm\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: 6 mm (1\/4 in) standard airline tubing\u003c\/li\u003e\n\u003cli\u003eInstallation location: CO2 gas line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections for Seachem Glass Bubble Counter\u003c\/h3\u003e\n\u003cp\u003eRinse the glassware with warm water before installation. Connect the bubble counter in the CO2 gas line using compatible 6 mm (1\/4 in) standard airline tubing. Fill the chamber with water as needed for clear bubble visibility, then start CO2 flow and adjust the regulator or needle valve gradually while counting bubbles. Check for leaks and secure the tubing before leaving the system unattended.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e1 x Seachem Glass Bubble Counter\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Seachem Laboratories","offers":[{"title":"Default Title","offer_id":50289993482528,"sku":"SC-FGCBBC","price":10.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/glassbubblecounter_1.jpg?v=1753840189"},{"product_id":"dennerle-co2-quick-test","title":"Dennerle CO2 Quick Test","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eDennerle CO2 Quick Test\u003c\/h2\u003e\n\u003ch3\u003eWhy Choose Dennerle CO2 Quick Test\u003c\/h3\u003e\n\u003cp\u003eThe Dennerle CO2 Quick Test determines whether the aquarium contains enough CO2 (liquid carbon compounds are not measured).\u003c\/p\u003e\n\u003ch3\u003eTest Dissolved CO2 Content with CO2 Quick Test from Dennerle\u003c\/h3\u003e\n\u003cp\u003eDennerle's CO2 QuickTest is a convenient and easy-to-use test kit for measuring aquariums' carbon dioxide (CO2) levels. \u003cbr\u003eThis test kit provides accurate and reliable results within minutes, allowing aquarium hobbyists to monitor and optimize their CO2 dosing for optimal plant growth and aquarium health. With its user-friendly design and precise measurements, \u003cbr\u003eDennerle's CO2 QuickTest is an essential tool for any aquarist striving to create a well-balanced and thriving underwater ecosystem.\u003c\/p\u003e\n\u003ch3\u003eWhat Makes Dennerle CO2 Quick Test Stand Out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e Simple to use Results within a few seconds \u003c\/li\u003e\n\u003cli\u003e Contains two tests \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Dennerle","offers":[{"title":"Default Title","offer_id":50289998102816,"sku":"DN-CO2QT","price":8.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/co2quicktest_1.jpg?v=1753840196"},{"product_id":"dymax-crystal-lily-pipe-set-16-22mm","title":"Dymax Crystal Lily Pipe Set - 16\/22mm","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eDymax Crystal Lily Pipe Set - 16\/22mm\u003c\/h2\u003e\n\u003cp\u003eDymax Crystal Lily Pipe Set - 16\/22mm is a larger clear quartz glass inflow and outflow pipe set for canister-filtered aquariums using 16\/22mm tubing. It provides a clean aquascape-friendly alternative to standard plastic filter pipes while helping return filtered water with smooth aquarium circulation.\u003c\/p\u003e\n\u003ch3\u003eCleaner Canister Filter Plumbing for Larger Aquascapes\u003c\/h3\u003e\n\u003cp\u003eThe 16\/22mm version is suited to larger canister filter installations that use wider hose. The clear glass design keeps the equipment profile subtle, while the lily-style outflow helps move water through the aquarium without blasting plants, substrate slopes, or delicate hardscape details.\u003c\/p\u003e\n\u003ch3\u003eQuartz Glass Flow Control and Surface Movement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGlass inflow and outflow set for compatible external canister filters.\u003c\/li\u003e\n\u003cli\u003eDesigned for 16\/22mm filter tubing.\u003c\/li\u003e\n\u003cli\u003eHelps improve circulation and aeration in planted aquariums.\u003c\/li\u003e\n\u003cli\u003eSupports gentle water return to reduce unnecessary aquascape disturbance.\u003c\/li\u003e\n\u003cli\u003eHelps reduce stagnant areas and surface film buildup when positioned correctly.\u003c\/li\u003e\n\u003cli\u003eTransparent quartz glass offers a clean nearly invisible equipment look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e16\/22mm Lily Pipe Compatibility Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 16\/22mm.\u003c\/li\u003e\n\u003cli\u003eProduct type: Glass canister filter inflow and outflow set.\u003c\/li\u003e\n\u003cli\u003eMaterial: High-quality crystal quartz glass.\u003c\/li\u003e\n\u003cli\u003eUse: Freshwater planted aquariums, aquascapes, and compatible canister filter setups.\u003c\/li\u003e\n\u003cli\u003eBest fit: External filters using 16\/22mm hose.\u003c\/li\u003e\n\u003cli\u003eNot a complete filter system, tubing kit, pump, or inline diffuser.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlass Pipe Setup and Maintenance Directions\u003c\/h3\u003e\n\u003cp\u003eVerify that the aquarium filter uses 16\/22mm tubing before installation. Attach the suction cups and position the pipes before fully securing the hose. Do not twist or force tubing onto the glass, as glass lily pipes can crack if stressed. Set the outflow angle for even circulation, then clean the pipes periodically with a suitable flexible brush to maintain clarity and flow.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne glass outflow lily pipe.\u003c\/li\u003e\n\u003cli\u003eOne glass inflow lily pipe.\u003c\/li\u003e\n\u003cli\u003eFour aquarium suction cups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Dymax","offers":[{"title":"Default Title","offer_id":50289998496032,"sku":"DY-CCLPS16","price":68.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/Dymax_Crystal_Lily_Pipe_Set_-_16_22mm.jpg?v=1753840197"},{"product_id":"dymax-co2-bubble-counter","title":"Dymax CO2 Bubble Counter","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eDymax CO2 Bubble Counter\u003c\/h2\u003e\n\u003cp\u003eDymax CO2 Bubble Counter is an acrylic bubble counter for monitoring the amount of CO2 being injected into an aquarium. It is useful for planted aquarium CO2 systems and can also be used on reef calcium reactor setups where visual CO2 bubble counting is needed.\u003c\/p\u003e\n\u003ch3\u003eSimple Visual CO2 Monitoring for Planted Tanks\u003c\/h3\u003e\n\u003cp\u003eA bubble counter gives aquarists a quick way to see whether CO2 is flowing and to make small needle-valve adjustments more consistently. By watching the bubble rate, planted-tank keepers can tune CO2 delivery more carefully than relying on regulator pressure alone.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Counter for Aquarium and Calcium Reactor Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBubble counter for measuring visible CO2 injection rate.\u003c\/li\u003e\n\u003cli\u003eMade from acrylic material.\u003c\/li\u003e\n\u003cli\u003eUseful with most planted aquarium CO2 systems.\u003c\/li\u003e\n\u003cli\u003eCan be used with calcium reactors in reef aquarium setups.\u003c\/li\u003e\n\u003cli\u003eHelps make CO2 adjustments easier to observe.\u003c\/li\u003e\n\u003cli\u003eCompact accessory for CO2 line installation and monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCO2 Line Placement and Compatibility Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: CO2 bubble counter.\u003c\/li\u003e\n\u003cli\u003eMaterial: Acrylic.\u003c\/li\u003e\n\u003cli\u003eUse: Planted aquarium CO2 systems and reef calcium reactor CO2 feed lines.\u003c\/li\u003e\n\u003cli\u003eFunction: Visual bubble-rate monitoring.\u003c\/li\u003e\n\u003cli\u003eBest paired with: CO2 regulator, needle valve, tubing, check valve, diffuser, or calcium reactor as required by the system.\u003c\/li\u003e\n\u003cli\u003eNot a regulator, solenoid, diffuser, reactor, or CO2 cylinder.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstalling and Reading the Bubble Counter\u003c\/h3\u003e\n\u003cp\u003eInstall the bubble counter inline on the CO2 feed line according to the direction of gas flow in the system. Fill the chamber with clean water or suitable bubble-counter fluid if required, then slowly open the CO2 supply and adjust the needle valve while watching the bubble rate. Check all tubing connections for leaks and use a proper check valve where backflow protection is needed.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Dymax CO2 Bubble Counter.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Dymax","offers":[{"title":"Default Title","offer_id":50289999905056,"sku":"DY-CCO2BC","price":7.61,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/dymax_co2_bubblecounter-1.jpg?v=1753840201"},{"product_id":"ista-disposable-co2-set-premium","title":"Ista Disposable CO2 Set (Premium)","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Disposable CO2 Set (Premium)\u003c\/h2\u003e\n\u003ch3\u003eComplete Automated CO2 System for Planted Aquariums\u003c\/h3\u003e\n\u003cp\u003eThe Ista Disposable CO2 Set (Premium) combines the primary components required to deliver, diffuse and monitor supplemental carbon dioxide in a freshwater planted aquarium. Its disposable 95-gram cylinder eliminates the need to locate a CO2 refill station, while the pressure-reduced regulator provides controlled output for consistent aquarium dosing.\u003c\/p\u003e\n\u003cp\u003eAn integrated electric solenoid allows CO2 delivery to be controlled with a compatible timer. The included three-in-one diffuser combines ceramic diffusion, bubble counting and backflow protection in one compact in-aquarium assembly.\u003c\/p\u003e\n\u003ch3\u003eIsta Premium Disposable CO2 Set Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete CO2 supply system for freshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eDisposable 95-gram CO2 cylinder simplifies replacement\u003c\/li\u003e\n\u003cli\u003ePressure-reduced regulator supports stable and adjustable dosing\u003c\/li\u003e\n\u003cli\u003eElectric solenoid can automate CO2 operation with a compatible timer\u003c\/li\u003e\n\u003cli\u003eThree-in-one diffuser combines diffusion, bubble counting and a check valve\u003c\/li\u003e\n\u003cli\u003eCeramic diffuser produces fine bubbles for improved contact with aquarium water\u003c\/li\u003e\n\u003cli\u003eCO2 indicator provides continuous visual monitoring inside the aquarium\u003c\/li\u003e\n\u003cli\u003eCylinder support can be used in a standing or hanging configuration\u003c\/li\u003e\n\u003cli\u003ePipe holder helps prevent the CO2 tubing from bending or becoming restricted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta Premium CO2 Set Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCO2 source: Disposable pressurized cylinder\u003c\/li\u003e\n\u003cli\u003eCylinder capacity: 95 grams\u003c\/li\u003e\n\u003cli\u003eRegulation: Pressure-reduced adjustable regulator\u003c\/li\u003e\n\u003cli\u003eAutomation: Electric solenoid compatible with an external timer\u003c\/li\u003e\n\u003cli\u003eDiffuser functions: Ceramic diffuser, bubble counter and check valve\u003c\/li\u003e\n\u003cli\u003eMonitoring: In-aquarium CO2 indicator with colour chart\u003c\/li\u003e\n\u003cli\u003eApplication: Freshwater planted aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePremium CO2 Set Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eA timer is required for automated solenoid control and is sold separately. CO2 requirements vary according to aquarium volume, plant density, lighting, surface agitation and water chemistry. Use the included bubble counter and indicator as adjustment aids rather than relying on a single universal bubble rate.\u003c\/p\u003e\n\u003cp\u003eThe cylinder contains compressed gas. Keep it upright and secured in its support, protect it from heat and direct sunlight and never puncture or incinerate it. Keep the regulator and electrical solenoid dry.\u003c\/p\u003e\n\u003ch3\u003eIsta Premium CO2 Set Directions\u003c\/h3\u003e\n\u003cp\u003eConfirm that the regulator is fully closed before attaching it to the disposable cylinder. Secure the cylinder in its support and connect the CO2-resistant tubing between the regulator and diffuser. Fill and assemble the bubble-counter chamber as directed and mount the diffuser low inside the aquarium.\u003c\/p\u003e\n\u003cp\u003eAllow the ceramic diffuser to soak for approximately 24 hours before judging bubble size. Connect the solenoid to a suitable timer if automated operation is desired, then open the regulator gradually and adjust the bubble rate slowly while monitoring the CO2 indicator and aquarium livestock.\u003c\/p\u003e\n\u003cp\u003eClose the cylinder and release residual pressure before disconnecting or replacing any pressurized component.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e95-gram disposable CO2 cylinder\u003c\/li\u003e\n\u003cli\u003eCylinder support rack\u003c\/li\u003e\n\u003cli\u003ePressure-reduced CO2 regulator with electric solenoid\u003c\/li\u003e\n\u003cli\u003eThree-in-one ceramic CO2 diffuser with bubble counter and check valve\u003c\/li\u003e\n\u003cli\u003eCO2-resistant tubing\u003c\/li\u003e\n\u003cli\u003eCO2 pipe holder\u003c\/li\u003e\n\u003cli\u003eCO2 indicator\u003c\/li\u003e\n\u003cli\u003eCO2 indicator solution and colour chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50296143839520,"sku":"GS-00514","price":98.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/issa-co2-set.png?v=1781820937"},{"product_id":"hygger-co2-spiral-diffuser-5-spiral","title":"Hygger CO2 Spiral Diffuser - 5 Spiral","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHygger CO2 Spiral Diffuser - 5 Spiral\u003c\/h2\u003e\n\u003cp\u003eThe Hygger CO2 Spiral Diffuser - 5 Spiral is a clear glass planted aquarium CO2 diffuser with an extended five-turn spiral path. It is designed to increase bubble contact time in a compact footprint while producing fine CO2 bubbles through a ceramic diffusion disc.\u003c\/p\u003e\n\u003ch3\u003eHygger 5 Spiral CO2 Diffuser Overview\u003c\/h3\u003e\n\u003cp\u003eThis five-spiral model gives CO2 bubbles a longer visible path than the three-spiral version before they reach the diffusion disc. The extended spiral design is useful for aquarists who want efficient CO2 presentation, easy bubble observation, and a clean glass appearance in planted aquariums. It fits standard CO2 tubing and mounts vertically with the included suction cups.\u003c\/p\u003e\n\u003ch3\u003e5 Spiral Diffuser Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFive-turn spiral path extends CO2 bubble contact time inside the glass body.\u003c\/li\u003e\n\u003cli\u003eFine ceramic atomizer helps produce uniform micro-bubbles.\u003c\/li\u003e\n\u003cli\u003eClear glass construction keeps the diffuser discreet in planted aquascapes.\u003c\/li\u003e\n\u003cli\u003eCompact 3.8 in length fits many nano, small, and medium planted tanks.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 4\/6 mm CO2 tubing.\u003c\/li\u003e\n\u003cli\u003eTwo suction cups provide simple vertical mounting.\u003c\/li\u003e\n\u003cli\u003eVisible spiral path makes it easy to monitor bubble movement during CO2 operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHygger CO2 Spiral Diffuser - 5 Spiral Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Glass spiral aquarium CO2 diffuser\u003c\/li\u003e\n\u003cli\u003eUPC: 6976286988117\u003c\/li\u003e\n\u003cli\u003eModel number: HC015-5S\u003c\/li\u003e\n\u003cli\u003eLength: 3.8 in \/ 9.7 cm\u003c\/li\u003e\n\u003cli\u003eMaterial: Glass body with ceramic diffusion disc\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: 4\/6 mm CO2 tubing\u003c\/li\u003e\n\u003cli\u003eMounting: 2 suction cups\u003c\/li\u003e\n\u003cli\u003eApplication: Freshwater planted aquarium CO2 diffusion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e5 Spiral Diffuser Compatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThe Hygger CO2 Spiral Diffuser - 5 Spiral requires a pressurized CO2 system, regulator, and CO2 tubing. Mount it near gentle aquarium flow so the micro-bubbles can spread through the planted aquarium. Use care when handling the glass body and avoid forcing tubing onto the inlet.\u003c\/p\u003e\n\u003ch3\u003eUsing the Hygger 5 Spiral CO2 Diffuser\u003c\/h3\u003e\n\u003cp\u003ePre-soak the diffuser before first use, connect it to standard 4\/6 mm CO2 tubing, and mount it vertically with the included suction cups. Adjust CO2 output slowly and watch bubble movement through the spiral. When bubble output becomes coarse or weak, clean the ceramic disc with a chlorine soak and rinse thoroughly before returning it to the aquarium.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Glass Spiral CO2 Diffuser 5 Spiral\u003c\/li\u003e\n\u003cli\u003e2 x Suction Cups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hygger","offers":[{"title":"Default Title","offer_id":50673274683680,"sku":"HY-CO0155S","price":23.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/hygger_co2_spiral_diffuser-1.jpg?v=1757175685"},{"product_id":"hygger-stainless-steel-co2-diffuser-large","title":"Hygger Stainless Steel CO2 Diffuser - Large","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHygger Stainless Steel CO2 Diffuser - Large\u003c\/h2\u003e\n\u003cp\u003eThe Hygger Stainless Steel CO2 Diffuser - Large is a durable planted aquarium CO2 diffuser designed to create a fine, even mist for efficient carbon dioxide distribution. Its stainless steel body, curved hanging design, replaceable ceramic disc, and 35 cm length make it a strong option for deeper planted tanks and aquascapes where a glass diffuser may be too fragile.\u003c\/p\u003e\n\u003ch3\u003eHygger Large Stainless CO2 Diffuser Overview\u003c\/h3\u003e\n\u003cp\u003eThis stainless steel diffuser uses a detachable diffuser cup and ceramic diffusion disc to help break CO2 into fine bubbles that can disperse through aquarium flow. The rigid body resists bending better than glass, while the curved hanging bar and suction cups help position the diffuser neatly along the aquarium glass. It is intended for freshwater planted aquariums using a pressurized CO2 system.\u003c\/p\u003e\n\u003ch3\u003eLarge Stainless CO2 Diffuser Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel body provides a durable alternative to fragile glass CO2 diffusers.\u003c\/li\u003e\n\u003cli\u003eFine ceramic diffusion disc helps create small CO2 bubbles for improved dispersion.\u003c\/li\u003e\n\u003cli\u003eDetachable diffuser cup allows easier cleaning and ceramic disc replacement.\u003c\/li\u003e\n\u003cli\u003eO-ring seal helps reduce leakage when the diffuser cup is properly tightened.\u003c\/li\u003e\n\u003cli\u003eCurved hanging design gives the planted tank a clean, low-profile look.\u003c\/li\u003e\n\u003cli\u003eConical airline inlet helps provide a secure tubing connection.\u003c\/li\u003e\n\u003cli\u003eIncluded suction cups help stabilize the diffuser inside the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHygger Stainless Steel CO2 Diffuser - Large Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Stainless steel aquarium CO2 diffuser\u003c\/li\u003e\n\u003cli\u003eUPC: 6976286985765\u003c\/li\u003e\n\u003cli\u003eModel number: HC008-L\u003c\/li\u003e\n\u003cli\u003eLength: 35 cm \/ 13.8 in\u003c\/li\u003e\n\u003cli\u003eMaterial: Stainless steel body with ceramic diffusion disc\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: Standard 4\/6 mm CO2 tubing\u003c\/li\u003e\n\u003cli\u003eMounting: 2 suction cups\u003c\/li\u003e\n\u003cli\u003eRecommended placement: Low to mid-depth with moderate flow\u003c\/li\u003e\n\u003cli\u003eApplication: Freshwater planted aquarium CO2 diffusion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLarge CO2 Diffuser Compatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThe Hygger Stainless Steel CO2 Diffuser - Large requires a pressurized CO2 system, CO2-resistant tubing, and appropriate bubble-count or regulator control. It is best mounted near gentle to moderate water movement so the CO2 mist can disperse through the planted aquarium. It is not a standalone CO2 system.\u003c\/p\u003e\n\u003ch3\u003eUsing the Hygger Large Stainless CO2 Diffuser\u003c\/h3\u003e\n\u003cp\u003eRinse the diffuser before installation, connect standard 4\/6 mm CO2 tubing, and mount it vertically with the included suction cups near aquarium flow. During the first 1-2 days, larger bubbles may appear while the ceramic disc wets in. If output declines, remove the diffuser cup, soak the ceramic disc in a chlorine-based cleaner for about 20 minutes, then rinse thoroughly before reinstalling.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x CO2 Diffuser Bar with Cup\u003c\/li\u003e\n\u003cli\u003e1 x Ceramic Disc Pre-Installed\u003c\/li\u003e\n\u003cli\u003e2 x Suction Cups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hygger","offers":[{"title":"Default Title","offer_id":50673274716448,"sku":"HY-CO008L","price":31.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/hygger_stainless_steel_co2_diffuser-1_96972f8a-bad3-4985-a6f3-6b059514073a.jpg?v=1757175685"},{"product_id":"hygger-co2-spiral-diffuser-3-spiral","title":"Hygger CO2 Spiral Diffuser - 3 Spiral","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHygger CO2 Spiral Diffuser - 3 Spiral\u003c\/h2\u003e\n\u003cp\u003eThe Hygger CO2 Spiral Diffuser - 3 Spiral is a clear glass CO2 diffuser for freshwater planted aquariums. Its spiral chamber extends the bubble path before CO2 reaches the ceramic diffusion disc, helping improve contact time while keeping a clean aquascaping look inside nano and medium planted tanks.\u003c\/p\u003e\n\u003ch3\u003eHygger 3 Spiral CO2 Diffuser Overview\u003c\/h3\u003e\n\u003cp\u003eThis glass spiral diffuser is designed for aquarists who want visible bubble movement and compact CO2 diffusion in a planted aquarium. The three-spiral design lets bubbles travel through a helical path, while the ceramic disc produces fine bubbles that can be carried by aquarium flow. Its high-clarity glass body helps the diffuser blend into planted layouts without adding bulky equipment to the display.\u003c\/p\u003e\n\u003ch3\u003e3 Spiral Diffuser Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThree-spiral glass path extends CO2 bubble travel before diffusion.\u003c\/li\u003e\n\u003cli\u003eFine ceramic disc helps produce small CO2 bubbles for planted aquariums.\u003c\/li\u003e\n\u003cli\u003eClear glass body keeps the diffuser visually subtle in aquascapes.\u003c\/li\u003e\n\u003cli\u003eCompact size is suitable for nano to medium planted aquarium layouts.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 4\/6 mm CO2 tubing.\u003c\/li\u003e\n\u003cli\u003eTwo suction cups help secure the diffuser vertically on aquarium glass.\u003c\/li\u003e\n\u003cli\u003eBubble movement through the spiral provides easy visual confirmation of CO2 flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHygger CO2 Spiral Diffuser - 3 Spiral Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Glass spiral aquarium CO2 diffuser\u003c\/li\u003e\n\u003cli\u003eUPC: 6976286988100\u003c\/li\u003e\n\u003cli\u003eModel number: HC015-3S\u003c\/li\u003e\n\u003cli\u003eLength: 3.8 in \/ 9.7 cm\u003c\/li\u003e\n\u003cli\u003eMaterial: Glass body with ceramic diffusion disc\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: 4\/6 mm CO2 tubing\u003c\/li\u003e\n\u003cli\u003eMounting: 2 suction cups\u003c\/li\u003e\n\u003cli\u003eApplication: Freshwater planted aquarium CO2 diffusion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3 Spiral Diffuser Compatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThe Hygger CO2 Spiral Diffuser - 3 Spiral requires a pressurized CO2 source, regulator, and CO2 tubing. It should be installed near gentle water movement so the fine bubbles can disperse through the planted aquarium. Handle the glass body carefully during installation and cleaning.\u003c\/p\u003e\n\u003ch3\u003eUsing the Hygger 3 Spiral CO2 Diffuser\u003c\/h3\u003e\n\u003cp\u003ePre-soak the diffuser before first use, connect standard 4\/6 mm CO2 tubing, and mount it vertically with the included suction cups. Place it near gentle flow to help carry CO2 bubbles through the aquarium. For maintenance, avoid abrasive brushes on the glass or ceramic disc; soak the ceramic in a chlorine-based cleaner when output declines, then rinse thoroughly before reinstalling.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Glass Spiral CO2 Diffuser 3 Spiral\u003c\/li\u003e\n\u003cli\u003e2 x Suction Cups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hygger","offers":[{"title":"Default Title","offer_id":50673274650912,"sku":"HY-CO0153S","price":19.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/hygger_co2_spiral_diffuser-1_a9542a34-1976-48a6-a3e1-a06a520dc963.jpg?v=1757175684"},{"product_id":"hygger-stainless-steel-co2-diffuser-extra-large","title":"Hygger Stainless Steel CO2 Diffuser - Extra Large","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHygger Stainless Steel CO2 Diffuser - Extra Large\u003c\/h2\u003e\n\u003cp\u003eThe Hygger Stainless Steel CO2 Diffuser - Extra Large is a 40 cm stainless steel CO2 diffuser for larger or taller freshwater planted aquariums. It uses a replaceable ceramic diffusion disc to produce a fine CO2 mist while the sturdy curved stainless body provides a cleaner, more durable alternative to traditional glass diffusers.\u003c\/p\u003e\n\u003ch3\u003eHygger Extra Large Stainless CO2 Diffuser Overview\u003c\/h3\u003e\n\u003cp\u003eThis extra large diffuser is built for planted aquarium setups that need more reach and wider placement flexibility. The stainless steel body hangs neatly on the aquarium glass, while the ceramic disc helps distribute CO2 into fine bubbles for better contact with aquarium water. The detachable cup design also makes cleaning and disc replacement easier when bubble output begins to decline.\u003c\/p\u003e\n\u003ch3\u003eExtra Large Stainless CO2 Diffuser Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExtra large 40 cm length is suited to larger or deeper planted aquarium layouts.\u003c\/li\u003e\n\u003cli\u003eStainless steel construction resists bending and damage better than glass diffusers.\u003c\/li\u003e\n\u003cli\u003eCeramic diffusion disc helps produce a fine, even CO2 mist.\u003c\/li\u003e\n\u003cli\u003eDetachable diffuser cup allows easier maintenance and disc replacement.\u003c\/li\u003e\n\u003cli\u003eO-ring sealed cup helps prevent leakage when properly tightened.\u003c\/li\u003e\n\u003cli\u003eCurved hanging design keeps installation clean along the aquarium glass.\u003c\/li\u003e\n\u003cli\u003eDual suction cups help hold the diffuser in the selected position.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHygger Stainless Steel CO2 Diffuser - Extra Large Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Stainless steel aquarium CO2 diffuser\u003c\/li\u003e\n\u003cli\u003eUPC: 6976286985772\u003c\/li\u003e\n\u003cli\u003eModel number: HC008-XL\u003c\/li\u003e\n\u003cli\u003eLength: 40 cm \/ 15.7 in\u003c\/li\u003e\n\u003cli\u003eMaterial: Stainless steel body with ceramic diffusion disc\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: Standard 4\/6 mm CO2 tubing\u003c\/li\u003e\n\u003cli\u003eMounting: 2 suction cups\u003c\/li\u003e\n\u003cli\u003eRecommended placement: Low to mid-depth with moderate flow\u003c\/li\u003e\n\u003cli\u003eApplication: Freshwater planted aquarium CO2 diffusion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExtra Large CO2 Diffuser Compatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThe Hygger Stainless Steel CO2 Diffuser - Extra Large requires a pressurized CO2 system, regulator, CO2 tubing, and appropriate monitoring. Use it in freshwater planted aquariums where the longer diffuser body fits the tank height and aquascape. Place it where aquarium circulation can carry the CO2 mist through planted areas.\u003c\/p\u003e\n\u003ch3\u003eUsing the Hygger Extra Large Stainless CO2 Diffuser\u003c\/h3\u003e\n\u003cp\u003eInstall the diffuser vertically with the included suction cups, connect standard 4\/6 mm CO2 tubing, and confirm the diffuser cup and O-ring are seated before pressurizing the system. Larger bubbles may appear during the first 1-2 days while the disc saturates. For maintenance, remove the ceramic disc, soak it in a chlorine-based cleaner for about 20 minutes, rinse thoroughly, and reinstall before use.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x CO2 Diffuser Bar with Cup\u003c\/li\u003e\n\u003cli\u003e1 x Ceramic Disc Pre-Installed\u003c\/li\u003e\n\u003cli\u003e2 x Suction Cups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hygger","offers":[{"title":"Default Title","offer_id":50673274618144,"sku":"HY-CO008XL","price":32.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/hygger_stainless_steel_co2_diffuser-1.jpg?v=1757175684"},{"product_id":"reef-crest-co2-proof-aquarium-tubing","title":"Reef Crest CO2 Proof Aquarium Tubing","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eReef Crest CO2 Proof Aquarium Tubing\u003c\/h2\u003e\n\u003cp\u003eReef Crest CO2 Proof Aquarium Tubing is a polyurethane tubing option for pressurized planted aquarium CO2 systems where standard soft airline tubing is not ideal.\u003c\/p\u003e\n\u003ch3\u003ePressure-Resistant Tubing for Aquarium CO2\u003c\/h3\u003e\n\u003cp\u003eCO2 systems work best when the tubing can handle pressure and helps limit gas loss through the tubing wall. This Reef Crest tubing is designed for cleaner routing between the regulator, bubble counter, check valve and diffuser while helping support more consistent CO2 delivery in planted aquariums.\u003c\/p\u003e\n\u003ch3\u003eCO2 Proof Tubing Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePolyurethane tubing for pressurized aquarium CO2 systems.\u003c\/li\u003e\n\u003cli\u003eMore pressure-resistant than standard soft airline tubing.\u003c\/li\u003e\n\u003cli\u003eLess CO2-permeable than typical silicone airline tubing.\u003c\/li\u003e\n\u003cli\u003eHelps reduce gas loss and support more consistent CO2 delivery.\u003c\/li\u003e\n\u003cli\u003eFlexible enough for clean routing around cabinets and aquarium equipment.\u003c\/li\u003e\n\u003cli\u003eUseful between regulators, bubble counters, check valves and diffusers.\u003c\/li\u003e\n\u003cli\u003eSold by the foot so the required length can be ordered with less waste.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: polyurethane \/ PU.\u003c\/li\u003e\n\u003cli\u003eType: high-pressure CO2 tubing.\u003c\/li\u003e\n\u003cli\u003eSuitable use: pressurized planted aquarium CO2 systems.\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 1.0 MPa at room temperature.\u003c\/li\u003e\n\u003cli\u003eTemperature range: -30 C to +100 C.\u003c\/li\u003e\n\u003cli\u003eFormat: sold by the foot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cp\u003eUse CO2-rated tubing anywhere pressure resistance and reduced CO2 loss are important. Always pair the tubing with compatible fittings, and use a proper check valve to help protect regulators and equipment from aquarium water backflow.\u003c\/p\u003e\n\u003ch3\u003eDirections\u003c\/h3\u003e\n\u003cp\u003eCut the tubing cleanly to the required length and push it fully onto compatible CO2 fittings. Avoid sharp bends, kinks or strained connections. After installation, restore CO2 flow gradually and check all connection points for leaks before leaving the system unattended.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eReef Crest CO2 Proof Aquarium Tubing sold by the foot.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Reef Crest Aquatics","offers":[{"title":"Default Title","offer_id":51502625456416,"sku":"RC-CO2TUB01","price":1.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/Reef-Crest-CO2-Proof-Aquarium-Tubing-1.png?v=1786048645"},{"product_id":"reef-crest-aquarium-6-way-co2-splitter-with-needle-valves","title":"Reef Crest Aquarium 6 Way CO2 Splitter with Needle Valves","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eReef Crest Aquarium 6 Way CO2 Splitter with Needle Valves\u003c\/h2\u003e\n\u003cp\u003eThe Reef Crest Aquarium 6 Way CO2 Splitter with Needle Valves lets planted aquarium hobbyists run multiple CO2 lines from a single cylinder and regulator while adjusting each outlet independently.\u003c\/p\u003e\n\u003ch3\u003eSix-Outlet CO2 Distribution for Planted Tanks\u003c\/h3\u003e\n\u003cp\u003eThis splitter is useful for multi-tank planted setups, multiple diffusers on one aquarium or more organized CO2 delivery from a single regulator. Each outlet has its own needle valve, allowing the user to balance flow across different lines instead of relying on uneven open tubing splits.\u003c\/p\u003e\n\u003ch3\u003e6 Way CO2 Splitter Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSplits one CO2 source into six controllable outlets.\u003c\/li\u003e\n\u003cli\u003eEach outlet includes an individual needle valve for flow adjustment.\u003c\/li\u003e\n\u003cli\u003eUseful for multiple planted aquariums or multiple diffusers from one CO2 cylinder.\u003c\/li\u003e\n\u003cli\u003eHelps create a cleaner and more expandable CO2 setup.\u003c\/li\u003e\n\u003cli\u003eIntegrated sealing ring at the interface helps improve sealing performance.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 4mm or 6mm CO2 tubing.\u003c\/li\u003e\n\u003cli\u003eCan be added to compatible existing CO2 regulator setups without replacing the full system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCO2 System Compatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThis splitter requires a compatible pressurized aquarium CO2 system with a regulator, cylinder, tubing and diffuser or reactor. Use CO2-rated tubing and check valves where appropriate, and confirm all fittings are properly seated before operating the system.\u003c\/p\u003e\n\u003ch3\u003eReef Crest Aquarium 6 Way CO2 Splitter with Needle Valves Specs at a Glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApplication: planted aquarium CO2 distribution.\u003c\/li\u003e\n\u003cli\u003eUse: splits one CO2 source into six outlets.\u003c\/li\u003e\n\u003cli\u003eOutlet control: individual needle valve on each outlet.\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: standard 4mm or 6mm CO2 tubing.\u003c\/li\u003e\n\u003cli\u003eConnection feature: integrated sealing ring at interface.\u003c\/li\u003e\n\u003cli\u003eIncluded connector rod length: 3.5 cm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections\u003c\/h3\u003e\n\u003cp\u003eClose the CO2 cylinder valve and release pressure before installation. Attach the splitter to the compatible regulator or manifold connection, connect each CO2 line securely and make sure unused outlets remain closed. Restore gas flow slowly, check all joints for leaks and adjust each needle valve gradually while monitoring bubble counters or diffuser output.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e1 Reef Crest Aquarium 6 Way CO2 Splitter with Needle Valves.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Reef Crest Aquatics","offers":[{"title":"Default Title","offer_id":51502625521952,"sku":"RC-CO2SPLIT06","price":68.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/6way_co2_splitter_with_needle_valves-1_d1925694-4a0f-4766-a610-b3d5e40678b0.jpg?v=1776808340"},{"product_id":"reef-crest-co2-bubble-counter","title":"Reef Crest CO2 Bubble Counter","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eReef Crest CO2 Bubble Counter\u003c\/h2\u003e\n\u003cp\u003eThe Reef Crest CO2 Bubble Counter is a compact planted aquarium CO2 accessory that provides clear bubble-rate monitoring and built-in backflow protection for compatible pressurized CO2 systems.\u003c\/p\u003e\n\u003ch3\u003eBubble-Rate Monitoring for Planted Aquarium CO2\u003c\/h3\u003e\n\u003cp\u003eA bubble counter gives planted aquarium keepers a simple visual reference when adjusting CO2 output. By making each bubble easy to see, this Reef Crest counter helps fine-tune injection rate, maintain more consistent CO2 delivery and reduce guesswork when balancing plant growth, livestock safety and diffuser performance.\u003c\/p\u003e\n\u003ch3\u003eReef Crest CO2 Bubble Counter Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClear chamber makes CO2 bubble rate easy to observe.\u003c\/li\u003e\n\u003cli\u003eHelps fine-tune carbon dioxide delivery in planted aquariums.\u003c\/li\u003e\n\u003cli\u003eSingle-line design for one aquarium CO2 output.\u003c\/li\u003e\n\u003cli\u003eIntegrated non-return function helps reduce backflow risk toward the regulator.\u003c\/li\u003e\n\u003cli\u003eRefillable chamber can be opened for filling, cleaning and maintenance.\u003c\/li\u003e\n\u003cli\u003eCompact design fits neatly into compatible pressurized aquarium CO2 systems.\u003c\/li\u003e\n\u003cli\u003eReusable construction supports long-term planted aquarium use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThis bubble counter is not a standalone CO2 source. It requires a compatible pressurized CO2 setup with a cylinder, regulator, tubing and diffuser. Confirm regulator connection style and tubing compatibility before installation, and inspect fittings regularly for looseness or gas leakage.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: aquarium CO2 bubble counter.\u003c\/li\u003e\n\u003cli\u003eConfiguration: single line.\u003c\/li\u003e\n\u003cli\u003eApplication: pressurized planted aquarium CO2 systems.\u003c\/li\u003e\n\u003cli\u003eFunction: visual bubble-rate monitoring.\u003c\/li\u003e\n\u003cli\u003eBackflow protection: integrated non-return function.\u003c\/li\u003e\n\u003cli\u003eChamber: clear refillable design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections\u003c\/h3\u003e\n\u003cp\u003eClose the CO2 cylinder valve and release residual pressure before installation. Attach the bubble counter securely to the compatible regulator connection without overtightening. Open the chamber, fill it approximately four-fifths full with clean water, close the chamber and connect the CO2 tubing to the outlet. Restore gas flow gradually and adjust the regulator while observing the bubble rate.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e1 Reef Crest CO2 Bubble Counter.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Reef Crest Aquatics","offers":[{"title":"Default Title","offer_id":51851565203744,"sku":"RC-CO2BUBB","price":12.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/reefcrest-co2-bubble-counter.jpg?v=1781734529"}],"url":"https:\/\/aquariumsupplydirect.com\/collections\/co2-parts-accessories.oembed","provider":"J\u0026L Aquatics - Aquarium Supply Direct","version":"1.0","type":"link"}