{"title":"Ista","description":null,"products":[{"product_id":"ista-water-plant-forceps","title":"Ista Water Plant Forceps","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Water Plant Forceps\u003c\/h2\u003e\n\u003ch3\u003ePrecision Planting with the Ista I-546 Forceps\u003c\/h3\u003e\n\u003cp\u003eThe Ista Water Plant Forceps provide the reach and fine control required for planting and maintaining freshwater aquascapes. Their narrow precision tips make it easier to position small aquatic plants, foreground species and delicate stems without disturbing a larger area of substrate.\u003c\/p\u003e\n\u003cp\u003eConstructed from flexible rust-resistant stainless steel, the forceps are designed to provide controlled gripping pressure while remaining comfortable to operate during detailed planting work.\u003c\/p\u003e\n\u003ch3\u003eIsta Water Plant Forceps Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFine tip design supports accurate placement of small aquatic plants\u003c\/li\u003e\n\u003cli\u003eUseful for planting carpeting species and delicate foreground growth\u003c\/li\u003e\n\u003cli\u003eStainless steel construction provides flexibility and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eLong profile reaches into the aquarium without excessive hand submersion\u003c\/li\u003e\n\u003cli\u003eControlled gripping action helps reduce damage to delicate roots and stems\u003c\/li\u003e\n\u003cli\u003eSuitable for planting, repositioning and removing small pieces of debris\u003c\/li\u003e\n\u003cli\u003eDesigned for freshwater planted aquariums and aquascapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta I-546 Forceps Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-546\u003c\/li\u003e\n\u003cli\u003eTool type: Straight water plant forceps\u003c\/li\u003e\n\u003cli\u003eLength: Approximately 9.8 inches\u003c\/li\u003e\n\u003cli\u003eMetric length: Approximately 25 cm\u003c\/li\u003e\n\u003cli\u003eMaterial: Stainless steel\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856835464\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta Aquascaping Forceps Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThe narrow tips are intended for precision work and should not be used to pry heavy rockwork or lift objects that may bend the tool. Rinse and dry the forceps after use to help preserve the finish and prevent mineral deposits.\u003c\/p\u003e\n\u003cp\u003eKeep the tips away from aquarium glass and acrylic surfaces when applying pressure. Store the forceps safely and keep them out of reach of children.\u003c\/p\u003e\n\u003ch3\u003eIsta Water Plant Forceps Directions\u003c\/h3\u003e\n\u003cp\u003eGrip the plant gently near the root area and insert it into the substrate at the desired location. Release pressure gradually and withdraw the forceps at a slight angle so the plant remains anchored rather than being pulled back out.\u003c\/p\u003e\n\u003cp\u003eAfter use, rinse the forceps under clean tap water to remove substrate and organic residue. Wipe the tool dry before storage and avoid using abrasive cleaners that could damage the surface.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Ista Water Plant Forceps\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289872929056,"sku":"GS-00546","price":16.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/gs-00546.jpg?v=1753839161"},{"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":22.95,"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":14.95,"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":11.16,"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-spring-stop-check-valve","title":"Ista Spring Stop Check Valve","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Spring Stop Check Valve\u003c\/h2\u003e\n\u003ch3\u003eReliable Backflow Protection for Air and CO2 Systems\u003c\/h3\u003e\n\u003cp\u003eThe Ista Spring Stop Check Valve is an inline one-way valve designed to help prevent aquarium water from siphoning backward through air or CO2 tubing. Its internal stainless steel spring mechanism closes the valve when forward pressure stops, helping protect connected air pumps, regulators, solenoids and other equipment.\u003c\/p\u003e\n\u003cp\u003eThe streamlined design creates minimal restriction in properly configured air-pump and CO2 injection applications. Secure tubing connections help keep airline firmly attached while the valve body can be disassembled when internal cleaning is required.\u003c\/p\u003e\n\u003ch3\u003eIsta Spring Check Valve Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHelps prevent aquarium water from siphoning backward through tubing\u003c\/li\u003e\n\u003cli\u003eSuitable for aquarium air-pump and CO2 injection applications\u003c\/li\u003e\n\u003cli\u003eStainless steel spring design provides dependable one-way operation\u003c\/li\u003e\n\u003cli\u003eDesigned to create minimal reduction in normal air or CO2 flow\u003c\/li\u003e\n\u003cli\u003eDirection arrow identifies the required installation orientation\u003c\/li\u003e\n\u003cli\u003eTube-fastening ends help maintain secure airline connections\u003c\/li\u003e\n\u003cli\u003eValve body can be disassembled for periodic cleaning\u003c\/li\u003e\n\u003cli\u003eCompact profile creates a clean inline installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta I-577 Check Valve Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-577\u003c\/li\u003e\n\u003cli\u003eValve type: Spring-loaded one-way check valve\u003c\/li\u003e\n\u003cli\u003eSpring material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eApplications: Aquarium airline and CO2 tubing\u003c\/li\u003e\n\u003cli\u003eFlow direction: Indicated by arrow on valve body\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856835778\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpring Stop Check Valve Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eInstall the valve with the arrow pointing in the direction that air or CO2 travels toward the aquarium. Reversing the valve will block normal flow.\u003c\/p\u003e\n\u003cp\u003eA check valve reduces the risk of backsiphoning but should not replace proper equipment positioning. Place electrical air pumps above the aquarium water level whenever practical and inspect the tubing and valve regularly.\u003c\/p\u003e\n\u003ch3\u003eIsta Spring Check Valve Directions\u003c\/h3\u003e\n\u003cp\u003eDisconnect the air pump or CO2 supply before installation. Cut the tubing at the selected location and confirm the direction of normal gas flow. Push the supply-side tubing onto the valve inlet and the aquarium-side tubing onto the outlet with the arrow pointing toward the aquarium.\u003c\/p\u003e\n\u003cp\u003eRestore operation and inspect the connections for leakage or loose tubing. If cleaning becomes necessary, disconnect the system, disassemble the valve carefully and rinse the internal components with clean water. Reassemble it in the original orientation before returning it to service.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne Ista Spring Stop Check Valve\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289873617184,"sku":"GS-00577","price":5.05,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/gs-00577.jpg?v=1783725301"},{"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":134.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/Ista-CO2-Mini-Gauge-Controller-1.png?v=1789670258"},{"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":19.57,"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":"ista-round-bio-sponge-aquarium-filter-large","title":"Ista Round Bio-Sponge Aquarium Filter (Large)","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Round Bio-Sponge Aquarium Filter (Large)\u003c\/h2\u003e\n\u003ch3\u003eBroad Biological Filtration with the Ista I-146\u003c\/h3\u003e\n\u003cp\u003eThe Ista Round Bio-Sponge Aquarium Filter (Large) combines a broad sponge surface with a low-profile weighted base for dependable mechanical and biological filtration. Its air-driven operation draws aquarium water through the porous foam while rising bubbles improve circulation and help promote oxygen exchange.\u003c\/p\u003e\n\u003cp\u003eThe larger round sponge provides increased filtration area for aquariums requiring more biological capacity while retaining the gentle intake characteristics that make sponge filters useful in breeding tanks, shrimp systems and aquariums containing small or delicate inhabitants.\u003c\/p\u003e\n\u003ch3\u003eIsta Round Large Bio-Sponge Filter Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge porous sponge provides substantial area for beneficial bacterial growth\u003c\/li\u003e\n\u003cli\u003eCaptures suspended particles as water is drawn through the foam\u003c\/li\u003e\n\u003cli\u003eAir-driven water movement supports circulation and oxygen exchange\u003c\/li\u003e\n\u003cli\u003eGentle sponge intake reduces the risk of small animals being drawn into the filter\u003c\/li\u003e\n\u003cli\u003eWide round configuration provides increased filtration area at a low height\u003c\/li\u003e\n\u003cli\u003eWeighted plastic-encased base improves stability on the aquarium bottom\u003c\/li\u003e\n\u003cli\u003eSimple construction disassembles for cleaning and maintenance\u003c\/li\u003e\n\u003cli\u003eIncluded lift tube can connect with many compatible aquarium powerheads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta I-146 Filter Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-146\u003c\/li\u003e\n\u003cli\u003eFilter style: Large round air-driven bio-sponge filter\u003c\/li\u003e\n\u003cli\u003eApproximate filter dimensions including base: 3-3\/8 inches high x 5-1\/2 inches diameter\u003c\/li\u003e\n\u003cli\u003eApproximate lift tube dimensions: 2-3\/4 inches high x 3\/4 inch inside diameter\u003c\/li\u003e\n\u003cli\u003eFiltration methods: Mechanical and biological\u003c\/li\u003e\n\u003cli\u003eAir pump: Required and sold separately\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856831466\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRound Large Filter Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThe filter can be operated with an appropriately sized aquarium air pump or connected to a compatible powerhead using the supplied lift tube. The selected equipment should provide steady circulation without compressing or deforming the sponge.\u003c\/p\u003e\n\u003cp\u003eAllow sufficient floor space for the filter's 5-1\/2-inch diameter base. For best biological performance, avoid cleaning the sponge excessively or replacing it while other established biological filtration is unavailable.\u003c\/p\u003e\n\u003ch3\u003eIsta Round Large Filter Directions\u003c\/h3\u003e\n\u003cp\u003eRinse the components before installation and assemble the sponge, weighted base and lift tube. Place the filter upright in the aquarium and connect airline tubing from a suitable air pump. Install a check valve where water could siphon toward the pump.\u003c\/p\u003e\n\u003cp\u003eAdjust the airflow until a steady stream of bubbles creates visible water circulation through the filter. When the sponge becomes restricted, disconnect the air supply and rinse the foam by gently squeezing it in removed aquarium water. Avoid aggressive scrubbing that may damage the sponge or remove excessive beneficial bacteria.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta Round Bio-Sponge Aquarium Filter (Large)\u003c\/li\u003e\n\u003cli\u003eWeighted base\u003c\/li\u003e\n\u003cli\u003eLift tube assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289974444320,"sku":"GS-00146","price":13.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/ista-round-bio-sponge-filter-large-1.png?v=1783120492"},{"product_id":"ista-rectangular-bio-sponge-aquarium-filter-small","title":"Ista Rectangular Bio-Sponge Aquarium Filter (Small)","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Rectangular Bio-Sponge Aquarium Filter (Small)\u003c\/h2\u003e\n\u003ch3\u003eSpace-Efficient Filtration with the Ista I-148\u003c\/h3\u003e\n\u003cp\u003eThe Ista Rectangular Bio-Sponge Aquarium Filter (Small) provides gentle air-driven filtration in a taller narrow format that fits conveniently into aquarium corners and other limited spaces. Water is drawn through the porous sponge where suspended debris is captured and beneficial bacteria can establish biological filtration.\u003c\/p\u003e\n\u003cp\u003eThe rectangular profile provides useful vertical sponge area without requiring the broad footprint of a larger round filter. Its weighted base supports stable placement while the airlift action increases water movement and oxygen exchange.\u003c\/p\u003e\n\u003ch3\u003eIsta Rectangular Small Filter Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTall rectangular sponge provides mechanical and biological filtration\u003c\/li\u003e\n\u003cli\u003ePorous foam supplies extensive surface area for nitrifying bacteria\u003c\/li\u003e\n\u003cli\u003eAir-driven operation circulates and oxygenates aquarium water\u003c\/li\u003e\n\u003cli\u003eGentle intake is useful in breeding tanks, fry systems and shrimp aquariums\u003c\/li\u003e\n\u003cli\u003eNarrow footprint fits corners and compact filtration areas\u003c\/li\u003e\n\u003cli\u003eWeighted base keeps the filter stable during operation\u003c\/li\u003e\n\u003cli\u003eSimple modular design allows quick disassembly for maintenance\u003c\/li\u003e\n\u003cli\u003eSupplied lift tube offers compatibility with many suitable powerheads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta I-148 Filter Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-148\u003c\/li\u003e\n\u003cli\u003eFilter style: Small rectangular air-driven bio-sponge filter\u003c\/li\u003e\n\u003cli\u003eApproximate filter dimensions including base: 5-3\/4 inches high x 3-3\/8 inches across\u003c\/li\u003e\n\u003cli\u003eApproximate lift tube dimensions: 2-3\/4 inches high x 3\/4 inch inside diameter\u003c\/li\u003e\n\u003cli\u003eFiltration methods: Mechanical and biological\u003c\/li\u003e\n\u003cli\u003eAir pump: Required and sold separately\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856831480\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRectangular Small Filter Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003ePosition the filter where water can circulate around the complete sponge surface. Avoid pressing the foam directly against aquarium glass, decorations or substrate in a way that blocks water from entering the filter.\u003c\/p\u003e\n\u003cp\u003eThe filter requires an air pump and airline tubing for standard operation. Use a check valve when the air pump is positioned below the aquarium water level and adjust the airflow for the livestock being maintained.\u003c\/p\u003e\n\u003ch3\u003eIsta Rectangular Small Filter Directions\u003c\/h3\u003e\n\u003cp\u003eRinse the filter before use and assemble the sponge, weighted base and lift tube. Place the unit upright in the aquarium and connect airline tubing from a suitable air pump to the filter inlet.\u003c\/p\u003e\n\u003cp\u003eAdjust the air supply until water moves steadily through the sponge. Clean the filter when accumulated debris noticeably reduces circulation. Remove the sponge and gently squeeze it in aquarium water removed during a water change. Reassemble the filter and confirm normal airflow before returning it to continuous operation.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta Rectangular Bio-Sponge Aquarium Filter (Small)\u003c\/li\u003e\n\u003cli\u003eWeighted base\u003c\/li\u003e\n\u003cli\u003eLift tube assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289973592352,"sku":"GS-00148","price":13.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/ista-rectangle-bio-sponge-filter-small-1.png?v=1783120491"},{"product_id":"ista-round-bio-sponge-aquarium-filter-small","title":"Ista Round Bio-Sponge Aquarium Filter (Small)","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Round Bio-Sponge Aquarium Filter (Small)\u003c\/h2\u003e\n\u003ch3\u003eCompact Biological Filtration with the Ista I-145\u003c\/h3\u003e\n\u003cp\u003eThe Ista Round Bio-Sponge Aquarium Filter (Small) provides gentle mechanical and biological filtration for compact aquariums, breeding systems, shrimp tanks and other applications where a powerful intake current may be undesirable. When connected to an aquarium air pump, rising bubbles draw water through the porous sponge while increasing water movement and surface agitation.\u003c\/p\u003e\n\u003cp\u003eThe sponge captures suspended debris while providing a large surface area for beneficial nitrifying bacteria. Its low round profile and weighted base help the filter remain stable while occupying minimal vertical space inside the aquarium.\u003c\/p\u003e\n\u003ch3\u003eIsta Round Small Bio-Sponge Filter Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides mechanical filtration by trapping suspended debris within the sponge\u003c\/li\u003e\n\u003cli\u003ePorous foam supports beneficial bacterial colonization for biological filtration\u003c\/li\u003e\n\u003cli\u003eAir-driven operation increases water circulation and oxygen exchange\u003c\/li\u003e\n\u003cli\u003eGentle intake is suitable for fry, shrimp and delicate aquarium inhabitants\u003c\/li\u003e\n\u003cli\u003eLow round design fits compact and shallow aquarium installations\u003c\/li\u003e\n\u003cli\u003eWide weighted base helps keep the filter upright and stable\u003c\/li\u003e\n\u003cli\u003eFilter assembly can be disassembled for routine maintenance\u003c\/li\u003e\n\u003cli\u003eSupplied lift tube provides an additional connection option for compatible powerheads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta I-145 Filter Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-145\u003c\/li\u003e\n\u003cli\u003eFilter style: Round air-driven bio-sponge filter\u003c\/li\u003e\n\u003cli\u003eApproximate filter dimensions including base: 3-3\/8 inches high x 3-3\/8 inches diameter\u003c\/li\u003e\n\u003cli\u003eApproximate lift tube dimensions: 2-3\/4 inches high x 3\/4 inch inside diameter\u003c\/li\u003e\n\u003cli\u003eFiltration methods: Mechanical and biological\u003c\/li\u003e\n\u003cli\u003eAir pump: Required and sold separately\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856831459\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRound Small Filter Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThe filter requires an aquarium air pump, airline tubing and an appropriate flow-control valve or gang valve when adjustment is required. Airflow should be selected according to the aquarium size and the needs of its inhabitants.\u003c\/p\u003e\n\u003cp\u003eA mature sponge can contain a substantial beneficial-bacteria population. Clean the foam gently in removed aquarium water rather than untreated tap water to reduce damage to the established biological filtration.\u003c\/p\u003e\n\u003ch3\u003eIsta Round Small Filter Directions\u003c\/h3\u003e\n\u003cp\u003eRinse the filter components with clean water before installation. Assemble the sponge, base and lift tube, then place the filter upright on the aquarium bottom. Connect airline tubing from a suitable air pump to the filter inlet and position a check valve in the airline where required.\u003c\/p\u003e\n\u003cp\u003eStart the air pump and adjust the airflow until water circulates steadily through the sponge without creating excessive turbulence. During maintenance, disconnect the air supply, remove the sponge and gently squeeze it several times in a container of removed aquarium water. Reassemble the filter and return it to service promptly.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta Round Bio-Sponge Aquarium Filter (Small)\u003c\/li\u003e\n\u003cli\u003eWeighted base\u003c\/li\u003e\n\u003cli\u003eLift tube assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289972674848,"sku":"GS-00145","price":11.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/gs-00145_8.jpg?v=1753839988"},{"product_id":"ista-rectangular-bio-sponge-aquarium-filter-large","title":"Ista Rectangular Bio-Sponge Aquarium Filter (Large)","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Rectangular Bio-Sponge Aquarium Filter (Large)\u003c\/h2\u003e\n\u003ch3\u003eHigh-Capacity Air-Driven Filtration with the Ista I-149\u003c\/h3\u003e\n\u003cp\u003eThe Ista Rectangular Bio-Sponge Aquarium Filter (Large) provides increased sponge capacity for aquariums requiring dependable mechanical and biological filtration without the strong intake of a motor-driven internal filter. Its tall rectangular foam block captures suspended debris while providing extensive surface area for beneficial bacterial colonization.\u003c\/p\u003e\n\u003cp\u003eWhen connected to an aquarium air pump, the lift tube draws water through the sponge and returns it upward with a stream of bubbles. This continuous airlift action supports aquarium circulation and oxygen exchange while maintaining gentle filtration around fry, shrimp and other small inhabitants.\u003c\/p\u003e\n\u003ch3\u003eIsta Rectangular Large Filter Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge rectangular sponge provides increased mechanical filtration capacity\u003c\/li\u003e\n\u003cli\u003ePorous foam supports a substantial population of beneficial bacteria\u003c\/li\u003e\n\u003cli\u003eAir-driven circulation helps oxygenate aquarium water\u003c\/li\u003e\n\u003cli\u003eGentle intake protects small fish, fry and invertebrates\u003c\/li\u003e\n\u003cli\u003eTall design provides greater sponge area without an excessively broad footprint\u003c\/li\u003e\n\u003cli\u003eWide weighted base helps maintain stable placement\u003c\/li\u003e\n\u003cli\u003eFilter components separate for convenient cleaning and servicing\u003c\/li\u003e\n\u003cli\u003eIncluded lift tube can be connected to many compatible powerheads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta I-149 Filter Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-149\u003c\/li\u003e\n\u003cli\u003eFilter style: Large rectangular air-driven bio-sponge filter\u003c\/li\u003e\n\u003cli\u003eApproximate filter dimensions including base: 5-3\/4 inches high x 4-3\/4 inches across\u003c\/li\u003e\n\u003cli\u003eApproximate lift tube dimensions: 2-3\/4 inches high x 3\/4 inch inside diameter\u003c\/li\u003e\n\u003cli\u003eFiltration methods: Mechanical and biological\u003c\/li\u003e\n\u003cli\u003eAir pump: Required and sold separately\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856831497\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRectangular Large Filter Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThe filter is particularly useful as primary filtration in suitable smaller systems or as supplemental biological filtration in larger aquariums. It can also be kept established in a mature aquarium for later use in breeding, hospital or temporary holding systems.\u003c\/p\u003e\n\u003cp\u003eAllow open space around the sponge so water can enter from all exposed surfaces. The air pump should provide enough flow to maintain circulation without causing excessive turbulence or lifting the filter from its position.\u003c\/p\u003e\n\u003ch3\u003eIsta Rectangular Large Filter Directions\u003c\/h3\u003e\n\u003cp\u003eRinse the filter components with clean water and assemble the sponge, base and lift tube. Position the filter upright on the aquarium bottom and connect it to an appropriately sized air pump using standard aquarium airline tubing.\u003c\/p\u003e\n\u003cp\u003eAdjust the airflow to create steady water movement through the sponge. During maintenance, disconnect the airline and gently clean the sponge in water removed from the aquarium. Avoid untreated tap water and aggressive cleaning methods that may reduce the established beneficial-bacteria population.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta Rectangular Bio-Sponge Aquarium Filter (Large)\u003c\/li\u003e\n\u003cli\u003eWeighted base\u003c\/li\u003e\n\u003cli\u003eLift tube assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289972216096,"sku":"GS-00149","price":15.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/ista-rectangle-bio-sponge-filter-1.png?v=1783120490"},{"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":8.95,"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":5.67,"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":13.55,"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":"ista-metal-air-valve-2-output","title":"Ista Metal Air Valve - 2 Output","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Metal Air Valve - 2 Output\u003c\/h2\u003e\n\u003ch3\u003eIndividually Controlled Airflow for Two Aquarium Devices\u003c\/h3\u003e\n\u003cp\u003eThe Ista Metal Air Valve - 2 Output divides one aquarium air-pump supply into two independently adjustable outlets. Each valve has its own control knob, allowing airflow to be balanced between air stones, sponge filters, ornaments or other air-driven aquarium equipment.\u003c\/p\u003e\n\u003cp\u003eA clear hang-on bracket mounts the compact metal manifold to the aquarium rim for convenient access and organized airline routing.\u003c\/p\u003e\n\u003ch3\u003eIsta 2 Output Air Valve Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDivides one air-pump line into two separate outlets\u003c\/li\u003e\n\u003cli\u003eIndividual control knob adjusts each outlet independently\u003c\/li\u003e\n\u003cli\u003eMetal construction provides durable everyday operation\u003c\/li\u003e\n\u003cli\u003eClear hang-on bracket mounts directly to the aquarium rim\u003c\/li\u003e\n\u003cli\u003eHelps organize airline tubing around the aquarium\u003c\/li\u003e\n\u003cli\u003eSuitable for air stones, sponge filters and air-driven decorations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta 2 Output Valve Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-942\u003c\/li\u003e\n\u003cli\u003eOutlets: Two\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: Standard 4\/6 mm aquarium airline\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 1.5 x 1.25 x 3 inches\u003c\/li\u003e\n\u003cli\u003eMounting style: Hang-on aquarium bracket\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856839424\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTwo-Outlet Air Valve Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThe manifold divides the available air supply but does not increase the output of the connected pump. Ensure the pump has sufficient capacity for both devices and their operating depths.\u003c\/p\u003e\n\u003cp\u003eInstall check valves on individual airlines when water could siphon toward the manifold or air pump. Unused outlets should be closed using their control knobs.\u003c\/p\u003e\n\u003ch3\u003eIsta 2 Output Air Valve Directions\u003c\/h3\u003e\n\u003cp\u003eHang the manifold securely from the aquarium rim. Connect the air-pump supply line to the inlet and attach one airline to each outlet.\u003c\/p\u003e\n\u003cp\u003eStart the air pump and open the outlet controls gradually. Adjust each knob until the connected devices receive the desired airflow. Inspect all tubing connections and install backflow protection where required.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Ista Metal Air Valve with two adjustable outputs\u003c\/li\u003e\n\u003cli\u003eClear hang-on mounting bracket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289990992160,"sku":"GS-00942","price":8.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/b81d9dd4-d57c-4288-b68d-4374efb90394_6eaa7568-2b5c-4516-b71d-a2bf1e876902.jpg?v=1781307937"},{"product_id":"ista-hang-on-breeding-box","title":"Ista Hang-On Breeding Box","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Hang-On Breeding Box\u003c\/h2\u003e\n\u003ch3\u003eExternal Breeding and Isolation Space without Using Tank Room\u003c\/h3\u003e\n\u003cp\u003eThe Ista Hang-On Breeding Box creates a protected holding area for breeding fish, fry, shrimp and animals requiring temporary separation while preserving space inside the main aquarium. The box hangs externally from the aquarium and can use an air pump to circulate water from the display through the enclosure.\u003c\/p\u003e\n\u003cp\u003eA removable separation base allows a mother fish to remain in the upper section while newborn fry or released eggs move into the protected lower area. The clear box also makes observation and routine maintenance easier without requiring a separate small aquarium.\u003c\/p\u003e\n\u003ch3\u003eIsta IF-647 Breeding Box Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHangs outside the aquarium to preserve interior swimming space\u003c\/li\u003e\n\u003cli\u003eSuitable for breeding fish, fry, weak fish and shrimp\u003c\/li\u003e\n\u003cli\u003eRemovable separation base protects newborn fry from the mother fish\u003c\/li\u003e\n\u003cli\u003eCan be used as a temporary isolation or observation enclosure\u003c\/li\u003e\n\u003cli\u003eAir-driven water circulation maintains exchange with the main aquarium\u003c\/li\u003e\n\u003cli\u003eClear construction allows easy livestock observation\u003c\/li\u003e\n\u003cli\u003eCovered design helps reduce the risk of fish jumping out\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater and marine aquariums\u003c\/li\u003e\n\u003cli\u003eDesigned for convenient water changes and routine cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta Hang-On Breeding Box Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: IF-647\u003c\/li\u003e\n\u003cli\u003eDimensions: Approximately 17 x 13 x 13 cm\u003c\/li\u003e\n\u003cli\u003eImperial dimensions: Approximately 6.7 x 5.1 x 5.1 inches\u003c\/li\u003e\n\u003cli\u003eMounting style: External hang-on\u003c\/li\u003e\n\u003cli\u003eCirculation method: Air-driven\u003c\/li\u003e\n\u003cli\u003eApplications: Breeding, fry rearing, observation and temporary separation\u003c\/li\u003e\n\u003cli\u003eAquarium type: Freshwater or marine\u003c\/li\u003e\n\u003cli\u003eUPC: 4719859036479\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBreeding Box Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eAn aquarium air pump and airline tubing are required for powered water circulation and are sold separately. Adjust airflow so water exchanges steadily without creating excessive turbulence for fry, shrimp or weakened fish.\u003c\/p\u003e\n\u003cp\u003eBecause the breeding box shares water with the main aquarium, it does not provide disease quarantine or prevent waterborne pathogens from entering the display. Use a separate quarantine aquarium when true biological isolation is required.\u003c\/p\u003e\n\u003cp\u003eSelect livestock appropriate for the available space and monitor fish closely. The box is intended for temporary holding, breeding or early fry development rather than permanent housing.\u003c\/p\u003e\n\u003ch3\u003eIsta Hang-On Breeding Box Directions\u003c\/h3\u003e\n\u003cp\u003eRinse all components with clean fresh water before assembly. Hang the box securely from the aquarium and install the balance pad so the enclosure remains level. Fit the inlet, outlet, L-tube, tube connector and separation components according to the included layout.\u003c\/p\u003e\n\u003cp\u003eConnect compatible airline tubing and an aquarium air pump, then adjust the airflow until water circulates gently between the aquarium and breeding box. Confirm stable water temperature and circulation before introducing livestock.\u003c\/p\u003e\n\u003cp\u003eUse the separation base when housing a pregnant livebearer or other suitable breeding fish so fry can move into the protected lower section. Inspect the box frequently and remove waste or uneaten food before it accumulates.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsta Hang-On Breeding Box\u003c\/li\u003e\n\u003cli\u003eCover\u003c\/li\u003e\n\u003cli\u003eOutlet\u003c\/li\u003e\n\u003cli\u003eSeparation pad\u003c\/li\u003e\n\u003cli\u003eL-tube\u003c\/li\u003e\n\u003cli\u003eInlet\u003c\/li\u003e\n\u003cli\u003eTube connector\u003c\/li\u003e\n\u003cli\u003eSeparation base\u003c\/li\u003e\n\u003cli\u003eBalance pad\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289992368416,"sku":"GS-00647","price":14.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/breederbox_1.jpg?v=1753839995"},{"product_id":"ista-metal-air-valve-5-output","title":"Ista Metal Air Valve - 5 Output","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Metal Air Valve - 5 Output\u003c\/h2\u003e\n\u003ch3\u003eFive-Way Air Distribution for Multi-Device Aquariums\u003c\/h3\u003e\n\u003cp\u003eThe Ista Metal Air Valve - 5 Output divides a single aquarium air supply across as many as five individually controlled airlines. It is well suited to aquariums and small fish-room systems operating multiple air stones, sponge filters, breeder boxes or decorative air devices from one appropriately sized pump.\u003c\/p\u003e\n\u003cp\u003eEach outlet includes its own adjustment knob so airflow can be balanced according to the resistance and operating depth of the connected equipment.\u003c\/p\u003e\n\u003ch3\u003eIsta 5 Output Air Valve Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDistributes one air-pump supply across five outlets\u003c\/li\u003e\n\u003cli\u003eFive individual controls provide independent flow adjustment\u003c\/li\u003e\n\u003cli\u003eMetal manifold offers durable everyday operation\u003c\/li\u003e\n\u003cli\u003eClear hang-on bracket keeps the controls accessible\u003c\/li\u003e\n\u003cli\u003eHelps organize several airlines from a central location\u003c\/li\u003e\n\u003cli\u003eSuitable for air stones, filters, ornaments and breeding equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta 5 Output Valve Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-945\u003c\/li\u003e\n\u003cli\u003eOutlets: Five\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: Standard 4\/6 mm aquarium airline\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 3.75 x 1.25 x 3 inches\u003c\/li\u003e\n\u003cli\u003eMounting style: Hang-on aquarium bracket\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856839455\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFive-Outlet Air Valve Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eThe connected air pump must provide enough total airflow and pressure for all active outlets. Adding more devices divides the available output and may reduce the flow reaching each line.\u003c\/p\u003e\n\u003cp\u003eKeep unused outlets closed and install individual check valves wherever backsiphoning is possible. Avoid closing every outlet while the air pump is operating because excessive restriction can increase noise and pump wear.\u003c\/p\u003e\n\u003ch3\u003eIsta 5 Output Air Valve Directions\u003c\/h3\u003e\n\u003cp\u003eAttach the clear bracket securely to the aquarium rim. Connect the main air-pump line to the manifold inlet and install airline tubing on each outlet that will be used.\u003c\/p\u003e\n\u003cp\u003eStart the pump with the valves partially open, then adjust the five controls individually. Confirm that each connected device operates properly and that no airline is kinked or allowing water to travel toward the manifold.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Ista Metal Air Valve with five adjustable outputs\u003c\/li\u003e\n\u003cli\u003eClear hang-on mounting bracket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289991090464,"sku":"GS-00945","price":15.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/Ista_Metal_Air_Valve_-_5_Output.jpg?v=1753839992"},{"product_id":"ista-metal-air-valve-3-output","title":"Ista Metal Air Valve - 3 Output","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eIsta Metal Air Valve - 3 Output\u003c\/h2\u003e\n\u003ch3\u003eBalanced Air Distribution for Three Aquarium Lines\u003c\/h3\u003e\n\u003cp\u003eThe Ista Metal Air Valve - 3 Output provides a clean way to operate three air-driven aquarium devices from one suitable air pump. Separate control knobs allow the flow through each outlet to be adjusted independently, making it easier to balance equipment installed at different depths or with different air requirements.\u003c\/p\u003e\n\u003cp\u003eThe compact metal manifold hangs from the aquarium rim using its clear mounting bracket and keeps the individual airline connections accessible for adjustment.\u003c\/p\u003e\n\u003ch3\u003eIsta 3 Output Air Valve Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSplits one air-pump supply into three controlled outlets\u003c\/li\u003e\n\u003cli\u003eIndependent valves allow individual airflow adjustment\u003c\/li\u003e\n\u003cli\u003eUseful for air stones, sponge filters and air-powered ornaments\u003c\/li\u003e\n\u003cli\u003eMetal body provides durable aquarium use\u003c\/li\u003e\n\u003cli\u003eClear bracket supports convenient rim mounting\u003c\/li\u003e\n\u003cli\u003eReduces the need for multiple loose inline gang valves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIsta 3 Output Valve Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer model: I-943\u003c\/li\u003e\n\u003cli\u003eOutlets: Three\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: Standard 4\/6 mm aquarium airline\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 2.5 x 1.25 x 3 inches\u003c\/li\u003e\n\u003cli\u003eMounting style: Hang-on aquarium bracket\u003c\/li\u003e\n\u003cli\u003eUPC: 4719856839431\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThree-Outlet Air Valve Compatibility\/Notes\u003c\/h3\u003e\n\u003cp\u003eSelect an air pump capable of supplying all three connected devices. Deep air stones and heavily restricted diffusers require more pressure than equipment operating near the water surface.\u003c\/p\u003e\n\u003cp\u003eThe valve does not contain backflow protection. Install suitable check valves when the air pump or manifold is positioned below the aquarium water level.\u003c\/p\u003e\n\u003ch3\u003eIsta 3 Output Air Valve Directions\u003c\/h3\u003e\n\u003cp\u003eMount the manifold securely on the aquarium rim and connect the air-pump line to the inlet. Attach standard aquarium airline to the three outlet fittings.\u003c\/p\u003e\n\u003cp\u003eTurn on the air pump and open each control gradually. Balance the flow between the connected devices while keeping enough total airflow open to prevent excessive pump restriction.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Ista Metal Air Valve with three adjustable outputs\u003c\/li\u003e\n\u003cli\u003eClear hang-on mounting bracket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ista","offers":[{"title":"Default Title","offer_id":50289992565024,"sku":"GS-00943","price":10.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/Ista_Metal_Air_Valve_-_3_Output.jpg?v=1781307937"},{"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":6.05,"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":"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":82.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/issa-co2-set.png?v=1781820937"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/collections\/ista-banner.png?v=1791721477","url":"https:\/\/aquariumsupplydirect.com\/collections\/ista-aquarium-products.oembed","provider":"J\u0026L Aquatics - Aquarium Supply Direct","version":"1.0","type":"link"}