{"title":"Major Elements","description":null,"products":[{"product_id":"brightwell-aquatics-alkalin8-3-500ml","title":"Brightwell Aquatics Alkalin8.3 - 500ml","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Alkalin8.3 - 500ml\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Alkalin8.3 - 500ml is a liquid carbonate alkalinity supplement for marine and reef aquariums. It raises alkalinity while helping pH move toward 8.3, giving reef keepers a straightforward way to support pH stability and carbonate availability for corals and other reef-building organisms.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Alkalin8.3 Liquid Buffer for Reef Alkalinity Stability\u003c\/h3\u003e\n\u003cp\u003eAlkalinity is depleted by normal biological activity, acid production, and skeletal growth in reef aquariums. Alkalin8.3 supplies carbonate and bicarbonate sources that help maintain buffering capacity, reduce unwanted pH swings, and support the carbonate needs of reef-building livestock.\u003c\/p\u003e\n\u003ch3\u003eAlkalin8.3 500ml Marine Aquarium Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRaises alkalinity and helps adjust pH toward 8.3 in marine and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eContinued addition raises pH until 8.3 is reached, after which alkalinity alone increases.\u003c\/li\u003e\n\u003cli\u003eProvides a source of carbonates used in aragonite skeletal material.\u003c\/li\u003e\n\u003cli\u003eOver 50% stronger than many competing alkalinity products.\u003c\/li\u003e\n\u003cli\u003eFree of phosphate, silicate, and organic material.\u003c\/li\u003e\n\u003cli\u003eMade with purified water and high-purity materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Alkalin8.3 Liquid Dosing Strength and Ingredients\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 500 ml bottle.\u003c\/li\u003e\n\u003cli\u003eProduct type: Liquid alkalinity and pH support supplement.\u003c\/li\u003e\n\u003cli\u003eTarget alkalinity range: 7 to 12 dKH.\u003c\/li\u003e\n\u003cli\u003eRecommended marine alkalinity stability range: Maintain within approximately +\/-1 dKH.\u003c\/li\u003e\n\u003cli\u003eStrength: Each 1 ml increases alkalinity in 1 US gallon by 3.1 dKH or 1.1 meq\/L.\u003c\/li\u003e\n\u003cli\u003eIngredients: Purified water, inorganic bicarbonate, carbonate, sulfate, borate salts, and proprietary ingredients.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAlkalin8.3 Reef Aquarium Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eShake well before use. Test alkalinity with an accurate test kit before supplementing. For basic use, add up to 5 ml per 30 US gallons daily until the desired alkalinity is reached, then dose daily or weekly as needed to maintain 7 to 12 dKH. For minor adjustments, add 5 ml per 30 US gallons as needed. If alkalinity is below 7 dKH, do not exceed 5 ml per 10 US gallons daily while raising alkalinity. Make changes gradually and avoid sudden pH or alkalinity shifts.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 500 ml bottle of Brightwell Aquatics Alkalin8.3 liquid alkalinity supplement.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289857954080,"sku":"BW-ALK0500","price":16.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-alk0500.jpg?v=1753839152"},{"product_id":"brightwell-aquatics-magnesion-liquid-500ml","title":"Brightwell Aquatics Magnesion Liquid - 500ml","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Magnesion Liquid - 500ml\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Magnesion Liquid - 500ml is a concentrated ionic magnesium supplement for marine fish and reef aquariums. It helps maintain magnesium levels that support calcium and carbonate balance, making it easier to keep stable reef chemistry for corals, clams, coralline algae, and other aragonite-building organisms.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Magnesion Liquid for Marine Magnesium Balance\u003c\/h3\u003e\n\u003cp\u003eMagnesium plays a major role in reef aquariums because it helps prevent calcium and carbonate from precipitating out of solution too quickly. When magnesium is too low, calcium and alkalinity can become difficult to maintain even when supplements are added regularly. Magnesion provides a straightforward liquid option for correcting and maintaining magnesium in reef systems.\u003c\/p\u003e\n\u003ch3\u003eMagnesion 500ml Reef Aquarium Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides concentrated ionic magnesium for marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eHelps regulate the balance between calcium and carbonates in aquarium water.\u003c\/li\u003e\n\u003cli\u003eSupports conditions required by corals, clams, and other reef-building organisms.\u003c\/li\u003e\n\u003cli\u003eUseful for correcting low magnesium or maintaining ongoing magnesium demand.\u003c\/li\u003e\n\u003cli\u003eContains no unwanted organic material such as EDTA, gluconate, or polygluconate.\u003c\/li\u003e\n\u003cli\u003eMade with purified water and high-purity magnesium salts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Magnesion Strength and Ingredient Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 500 ml bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Liquid magnesium supplement.\u003c\/li\u003e\n\u003cli\u003eTarget magnesium range: 1,290 to 1,320 ppm.\u003c\/li\u003e\n\u003cli\u003eStrength: Each 1 ml increases magnesium in 1 US gallon by approximately 26 ppm.\u003c\/li\u003e\n\u003cli\u003eGuaranteed analysis: Magnesium 100,000 ppm minimum.\u003c\/li\u003e\n\u003cli\u003eIngredients: Purified water, magnesium sulfate, and magnesium chloride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMagnesion Liquid Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eShake well before use. Add 5 ml per 20 US gallons every other day, or as needed to maintain magnesium between 1,290 and 1,320 ppm. For advanced adjustment, test magnesium first with an accurate test kit. If magnesium is below 1,288 ppm, do not exceed 10 ml per 20 US gallons daily while raising the level. Maintain magnesium within approximately +\/-10 ppm whenever possible, and determine the aquarium's ongoing uptake by testing at the same time each day over one to two weeks.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 500 ml bottle of Brightwell Aquatics Magnesion Liquid.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289858347296,"sku":"BW-MAG0500","price":17.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-mag0500.jpg?v=1753839153"},{"product_id":"brightwell-aquatics-kalk-2-450-gram","title":"Brightwell Aquatics Kalk +2 - 450 Gram","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Kalk +2 - 450 Gram\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Kalk +2 - 450 Gram is an advanced kalkwasser powder for experienced marine and reef aquarists. It combines calcium hydroxide with strontium hydroxide and magnesium hydroxide to help maintain calcium, pH, and temporary alkalinity while supporting reef-building organisms.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Kalk +2 Powdered Kalkwasser for Reef Calcium Support\u003c\/h3\u003e\n\u003cp\u003eKalk +2 improves on traditional kalkwasser by adding strontium and magnesium sources along with calcium hydroxide. These elements are provided in ionic ratios associated with aragonite, the skeletal material formed by corals, clams, coralline algae, tube worms, and other calcareous marine organisms.\u003c\/p\u003e\n\u003ch3\u003eKalk +2 450 Gram Reef Aquarium Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdvanced kalkwasser supplement with calcium, strontium, and magnesium.\u003c\/li\u003e\n\u003cli\u003eHelps maintain pH within the desired range when used as directed.\u003c\/li\u003e\n\u003cli\u003eProvides temporary alkalinity support.\u003c\/li\u003e\n\u003cli\u003eContains no conservative elements such as chloride.\u003c\/li\u003e\n\u003cli\u003eUseful for reef aquariums with steady calcium and alkalinity demand.\u003c\/li\u003e\n\u003cli\u003eIntended for experienced hobbyists familiar with calcium hydroxide-based products.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Kalk +2 Guaranteed Analysis and Safety Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 450 g container.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Powdered kalkwasser supplement.\u003c\/li\u003e\n\u003cli\u003eGuaranteed analysis: Calcium 54.20% minimum, strontium 1.00% minimum, magnesium 0.15% minimum.\u003c\/li\u003e\n\u003cli\u003eIngredients: Calcium hydroxide, strontium hydroxide, and magnesium hydroxide.\u003c\/li\u003e\n\u003cli\u003eDo not add dry powder directly to the aquarium.\u003c\/li\u003e\n\u003cli\u003eCalcium hydroxide is caustic; avoid inhalation, skin contact, and eye contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKalk +2 Mixing and Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eTest calcium and pH with accurate test kits before use. Create a stock solution by dissolving 6 g or approximately 1 teaspoon of Kalk +2 in 1 US gallon of fresh water, preferably purified water. Allow at least one hour for settling, then decant only the clear solution and discard sediment. Dose or drip the clear solution in a controlled manner with a dosing device. Do not allow salinity to fall below 1.021 g\/cm3, do not allow pH to rise by more than 0.1 per hour, and do not allow pH to exceed 8.5. Night dosing is often used because reef aquarium pH is naturally lower at night.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 450 g container of Brightwell Aquatics Kalk +2.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289858412832,"sku":"BW-KALK0450","price":25.71,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-kalk0450.jpg?v=1753839153"},{"product_id":"brightwell-aquatics-magnesion-liquid-2-litre","title":"Brightwell Aquatics Magnesion Liquid - 2 Litre","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Magnesion Liquid - 2 Litre\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Magnesion Liquid - 2 Litre is a larger-format liquid magnesium supplement for marine and reef aquariums with regular magnesium demand. It helps maintain the magnesium concentration needed for stable calcium, carbonate, and aragonite-building chemistry in established reef systems.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Magnesion 2 Litre for Larger Reef Systems\u003c\/h3\u003e\n\u003cp\u003eThe 2 Litre size is useful for larger aquariums, reef systems with high calcification demand, and aquarists who test and dose magnesium routinely. Maintaining magnesium near natural seawater values helps reduce unnecessary calcium and alkalinity precipitation and supports more predictable reef supplementation.\u003c\/p\u003e\n\u003ch3\u003eMagnesium Supplementation for Calcium and Alkalinity Stability\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHelps maintain magnesium in the 1,290 to 1,320 ppm range.\u003c\/li\u003e\n\u003cli\u003eSupports calcium and carbonate stability in marine aquarium water.\u003c\/li\u003e\n\u003cli\u003eProvides magnesium used in small amounts by aragonite-building organisms.\u003c\/li\u003e\n\u003cli\u003eUseful for reef aquariums with corals, clams, coralline algae, and other calcifying livestock.\u003c\/li\u003e\n\u003cli\u003eStronger than many competing magnesium products.\u003c\/li\u003e\n\u003cli\u003eFree of unwanted organic material such as EDTA, gluconate, and polygluconate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Magnesion Liquid 2 Litre Testing Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 2 Litre bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Concentrated ionic magnesium solution.\u003c\/li\u003e\n\u003cli\u003eStrength: Each 1 ml raises magnesium in 1 US gallon by approximately 26 ppm.\u003c\/li\u003e\n\u003cli\u003eGuaranteed analysis: Magnesium 100,000 ppm minimum.\u003c\/li\u003e\n\u003cli\u003eIngredients: Purified water, magnesium sulfate, and magnesium chloride.\u003c\/li\u003e\n\u003cli\u003eKeep out of reach of children and do not use for human consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMagnesion Maintenance Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eShake well before each use. Dose 5 ml per 20 US gallons every other day, or as needed based on magnesium testing. Use an accurate magnesium test kit before making larger corrections. If magnesium is below 1,288 ppm, Brightwell's maximum correction rate is 10 ml per 20 US gallons daily until the desired level is reached. Daily maintenance dosing can help keep magnesium more stable than large weekly corrections.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 2 Litre bottle of Brightwell Aquatics Magnesion Liquid.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289858380064,"sku":"BW-MAG2000","price":38.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-mag2000.jpg?v=1753839153"},{"product_id":"brightwell-aquatics-reef-code-a-500ml","title":"Brightwell Aquatics Reef Code A - 500ml","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Reef Code A - 500ml\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Reef Code A - 500ml is the calcium-bearing component of Brightwell's two-part calcium and alkalinity system for marine fish and reef aquariums. It is designed to be used with Reef Code B to simplify calcium and carbonate maintenance.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Reef Code A Calcium Component for Two-Part Reef Dosing\u003c\/h3\u003e\n\u003cp\u003eReef Code A supplies calcium along with magnesium and strontium in a liquid formula for reef aquariums with calcifying livestock. When used in equal amounts with Reef Code B, it adds calcium and carbonates in the same ratio found in natural seawater, although individual aquariums may require unequal dosing after testing.\u003c\/p\u003e\n\u003ch3\u003eReef Code A 500ml Calcium Support Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCalcium-bearing component of a two-part reef dosing method.\u003c\/li\u003e\n\u003cli\u003eIonically balanced with Reef Code B when used in equal amounts.\u003c\/li\u003e\n\u003cli\u003eSupports corals, clams, calcareous algae, and other reef-building organisms.\u003c\/li\u003e\n\u003cli\u003eSimplifies calcium and alkalinity maintenance in marine aquariums.\u003c\/li\u003e\n\u003cli\u003eStronger than many competing two-part products.\u003c\/li\u003e\n\u003cli\u003eContains no phosphate, silicate, or organic material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Reef Code A 500ml Analysis and Chemistry Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 500 ml bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Liquid calcium component for two-part reef dosing.\u003c\/li\u003e\n\u003cli\u003eTarget calcium range: 412 to 450 ppm.\u003c\/li\u003e\n\u003cli\u003eEach 1 ml increases calcium in 1 US gallon by approximately 16 ppm.\u003c\/li\u003e\n\u003cli\u003eGuaranteed analysis: Calcium 60,000 ppm minimum, magnesium 1,500 ppm minimum, and strontium 1,200 ppm minimum.\u003c\/li\u003e\n\u003cli\u003eIngredients: Purified water, calcium chloride, magnesium sulfate, strontium chloride, and magnesium chloride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReef Code A Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eShake well before use. Add 5 ml per 25 US gallons every other day, or as needed to maintain calcium between 412 and 450 ppm. For best results, adjust and maintain magnesium between 1,290 and 1,320 ppm before using calcium and alkalinity products. Do not mix Reef Code A and Reef Code B in the same container because active components will precipitate; allow at least 60 seconds between dosing each part. If calcium is below 412 ppm, do not exceed 5 ml per 10 US gallons daily until the desired calcium level is reached.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 500 ml bottle of Brightwell Aquatics Reef Code A.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289858543904,"sku":"BW-RCA0500","price":15.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-rca0500.jpg?v=1753839154"},{"product_id":"brightwell-aquatics-reef-code-b-500ml","title":"Brightwell Aquatics Reef Code B - 500ml","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Reef Code B - 500ml\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Reef Code B - 500ml is the alkalinity-bearing component of Brightwell's two-part calcium and alkalinity system for marine fish and reef aquariums. It is used with Reef Code A to help maintain carbonate hardness, pH stability, and the reef chemistry needed by corals, clams, coralline algae, and other reef-building organisms.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Reef Code B Alkalinity Component for Two-Part Reef Dosing\u003c\/h3\u003e\n\u003cp\u003eReef Code B provides carbonates and other buffering salts that support alkalinity in marine aquariums. When used in equal amounts with Reef Code A, it adds calcium and carbonates in the same ratio found in natural seawater, although individual aquariums may require different amounts of each part based on testing and livestock demand.\u003c\/p\u003e\n\u003ch3\u003eReef Code B 500ml Alkalinity and pH Stability Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlkalinity-bearing half of Brightwell's two-part reef dosing method.\u003c\/li\u003e\n\u003cli\u003eHelps maintain carbonate hardness and pH stability in marine and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eIonically balanced with Reef Code A when dosed in equal amounts.\u003c\/li\u003e\n\u003cli\u003eBenefits reef-building organisms such as corals, clams, and calcareous algae.\u003c\/li\u003e\n\u003cli\u003eStronger than many competing two-part products.\u003c\/li\u003e\n\u003cli\u003eContains no phosphate, silicate, or organic material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Reef Code B 500ml Strength and Chemistry Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 500 ml bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Liquid alkalinity component for two-part reef dosing.\u003c\/li\u003e\n\u003cli\u003eRecommended alkalinity range: 7 to 12 dKH.\u003c\/li\u003e\n\u003cli\u003eEach 1 ml raises alkalinity in 1 US gallon by approximately 2.22 dKH or 0.79 meq\/L.\u003c\/li\u003e\n\u003cli\u003eGuaranteed analysis: Alkalinity or buffering capacity minimum 8,400 dKH or 3,000 meq\/L.\u003c\/li\u003e\n\u003cli\u003eIngredients: Purified water, inorganic carbonate, bicarbonate, sulfate, and borate salts with minor and trace minerals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReef Code B Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eShake well before use. Add 5 ml per 25 US gallons every other day, or as needed to maintain alkalinity between 7 and 12 dKH. Test alkalinity with an accurate test kit before making larger corrections. If alkalinity is below 7 dKH or 2.5 meq\/L, do not exceed 5 ml per 10 US gallons daily until the desired level is reached. Do not mix Reef Code A and Reef Code B in the same container because precipitation will occur; allow at least 60 seconds between dosing each part. Maintain magnesium between 1,290 and 1,320 ppm for best calcium and carbonate stability.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 500 ml bottle of Brightwell Aquatics Reef Code B.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289871290656,"sku":"BW-RCB0500","price":15.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-rcb0500.jpg?v=1753839154"},{"product_id":"brightwell-aquatics-reef-code-b-2-litre","title":"Brightwell Aquatics Reef Code B - 2 Litre","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Reef Code B - 2 Litre\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Reef Code B - 2 Litre is the larger-size alkalinity component of Brightwell's two-part calcium and alkalinity system for marine and reef aquariums. It is suited to established reef systems with ongoing carbonate demand from corals, clams, coralline algae, and other calcifying organisms.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Reef Code B 2 Litre for Larger Reef Alkalinity Demand\u003c\/h3\u003e\n\u003cp\u003eThe 2 Litre format is useful for larger aquariums, regular dosing schedules, and reef systems where alkalinity is consumed steadily. Used with Reef Code A, it helps simplify calcium and alkalinity maintenance while allowing each part to be adjusted independently based on actual test results.\u003c\/p\u003e\n\u003ch3\u003eReef Code B Two-Part Buffering Benefits for Reef Aquariums\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides the alkalinity-bearing part of a two-part reef dosing program.\u003c\/li\u003e\n\u003cli\u003eHelps maintain carbonate hardness and stable pH conditions.\u003c\/li\u003e\n\u003cli\u003eSupports reef-building organisms that rely on stable calcium and alkalinity chemistry.\u003c\/li\u003e\n\u003cli\u003eIonically balanced with Reef Code A when equal amounts are used.\u003c\/li\u003e\n\u003cli\u003eAllows independent adjustment when calcium and alkalinity demand are not equal.\u003c\/li\u003e\n\u003cli\u003eFree of phosphate, silicate, and organic material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Reef Code B 2 Litre Testing and Formula Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 2 Litre bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Liquid alkalinity and buffering component for two-part reef dosing.\u003c\/li\u003e\n\u003cli\u003eTarget alkalinity range: 7 to 12 dKH.\u003c\/li\u003e\n\u003cli\u003eEach 1 ml raises alkalinity in 1 US gallon by approximately 2.22 dKH or 0.79 meq\/L.\u003c\/li\u003e\n\u003cli\u003eGuaranteed analysis: Alkalinity or buffering capacity minimum 8,400 dKH or 3,000 meq\/L.\u003c\/li\u003e\n\u003cli\u003eIngredients: Purified water, inorganic carbonate, bicarbonate, sulfate, and borate salts with minor and trace minerals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReef Code B Maintenance Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eShake well before using. Dose 5 ml per 25 US gallons every other day, or as needed according to alkalinity testing. For best control, measure alkalinity at the same time each day over one to two weeks to determine daily consumption, then dose daily or weekly as needed. If alkalinity is below 7 dKH or 2.5 meq\/L, Brightwell's maximum correction rate is 5 ml per 10 US gallons daily until the desired level is reached. Do not mix Reef Code A and Reef Code B together, and allow at least 60 seconds between dosing the two parts.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 2 Litre bottle of Brightwell Aquatics Reef Code B.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289871257888,"sku":"BW-RCB2000","price":29.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-rcb2000.jpg?v=1753839154"},{"product_id":"brightwell-aquatics-reef-code-a-2-litre","title":"Brightwell Aquatics Reef Code A - 2 Litre","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Reef Code A - 2 Litre\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Reef Code A - 2 Litre is the larger-size calcium component of Brightwell's two-part calcium and alkalinity system for marine and reef aquariums with regular calcium demand.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Reef Code A 2 Litre for Larger Reef Calcium Demand\u003c\/h3\u003e\n\u003cp\u003eThe 2 Litre size is well suited to established reef aquariums, larger displays, and systems with ongoing calcium consumption from stony corals, clams, coralline algae, and other calcifying organisms. It is used with Reef Code B as part of a balanced two-part supplementation routine.\u003c\/p\u003e\n\u003ch3\u003eReef Code A Two-Part Dosing Benefits for Reef Aquariums\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLiquid calcium component for Brightwell's Reef Code two-part method.\u003c\/li\u003e\n\u003cli\u003eHelps maintain calcium required by corals, clams, and calcareous algae.\u003c\/li\u003e\n\u003cli\u003eIonically balanced with Reef Code B when dosed in equal amounts.\u003c\/li\u003e\n\u003cli\u003eHelps simplify daily or weekly calcium and alkalinity maintenance.\u003c\/li\u003e\n\u003cli\u003eUseful for aquariums where regular testing shows ongoing calcium uptake.\u003c\/li\u003e\n\u003cli\u003eFree of phosphate, silicate, and organic material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Reef Code A 2 Litre Strength and Testing Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 2 Litre bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Calcium-bearing component of a two-part reef dosing system.\u003c\/li\u003e\n\u003cli\u003eRecommended calcium range: 412 to 450 ppm.\u003c\/li\u003e\n\u003cli\u003eEach 1 ml increases calcium in 1 US gallon by approximately 16 ppm.\u003c\/li\u003e\n\u003cli\u003eGuaranteed analysis: Calcium 60,000 ppm minimum, magnesium 1,500 ppm minimum, and strontium 1,200 ppm minimum.\u003c\/li\u003e\n\u003cli\u003eMagnesium should be maintained between 1,290 and 1,320 ppm for best calcium and carbonate stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReef Code A Maintenance Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eShake well before use. Dose 5 ml per 25 US gallons every other day, or as needed based on calcium testing. Use an accurate calcium test kit to determine actual aquarium demand. Do not mix Reef Code A and Reef Code B in the same container, and allow at least 60 seconds between dosing the two parts. If calcium is below 412 ppm, Brightwell's maximum correction rate is 5 ml per 10 US gallons daily until the desired level is reached. Dose daily or weekly as needed once the aquarium's calcium uptake has been determined.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 2 Litre bottle of Brightwell Aquatics Reef Code A.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289871323424,"sku":"BW-RCA2000","price":29.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-rca2000.jpg?v=1753839155"},{"product_id":"brightwell-aquatics-reef-code-b-p-alkalinity-additive-4kg","title":"Brightwell Aquatics Reef Code B-P Alkalinity Additive - 4KG","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Reef Code B-P Alkalinity Additive - 4KG\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Reef Code B-P Alkalinity Additive - 4KG is the powdered alkalinity-bearing component of Brightwell's two-part calcium and alkalinity system for marine fish and reef aquariums. It is an economical dry format for larger systems, high-demand reefs, or aquarists using mixed stock solutions with manual or automated dosing.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Reef Code B-P 4KG Powdered Alkalinity for Large Reef Systems\u003c\/h3\u003e\n\u003cp\u003eReef Code B-P supplies the carbonate, bicarbonate, sulfate, borate, and related salts used to maintain alkalinity and buffering capacity in reef aquariums. It is designed to be mixed into a stock solution before use and paired with Reef Code A-P when running Brightwell's powdered two-part system.\u003c\/p\u003e\n\u003ch3\u003eReef Code B-P Powder Benefits for Two-Part Reef Dosing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePowdered alkalinity component of Brightwell's two-part reef dosing method.\u003c\/li\u003e\n\u003cli\u003eEconomical format for larger aquariums and systems with high alkalinity demand.\u003c\/li\u003e\n\u003cli\u003eSupports corals, clams, calcareous algae, and other reef-building organisms.\u003c\/li\u003e\n\u003cli\u003eCan be mixed individually for manual dosing, drip dosing, or automated dosing systems.\u003c\/li\u003e\n\u003cli\u003eIonically balanced with Reef Code A-P when used as part of the matching two-part system.\u003c\/li\u003e\n\u003cli\u003eContains no phosphate, silicate, or organic material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Reef Code B-P 4KG Mixing Strength and System Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 4KG container.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Powdered alkalinity additive for two-part reef dosing.\u003c\/li\u003e\n\u003cli\u003eTarget alkalinity range: 7 to 12 dKH.\u003c\/li\u003e\n\u003cli\u003eBasic mix rate: Dissolve 20 g per 8 fl. oz. of purified water in a clean container.\u003c\/li\u003e\n\u003cli\u003eAdvanced stock solution: Dissolve 30 g in 8 fl. oz. of purified fresh water; each 1 ml raises alkalinity in 1 US gallon by approximately 1.0 dKH or 0.375 meq\/L.\u003c\/li\u003e\n\u003cli\u003eIngredients: Inorganic salts of carbonate, bicarbonate, sulfate, borate, and other important anions with minor and trace minerals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReef Code B-P Mixing and Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eDo not add the dry powder directly to an aquarium containing live animals. Dissolve the powder in purified fresh water in a clean mixing container before dosing. Dose the resulting solution as required to maintain alkalinity between 7 and 12 dKH, and maintain alkalinity within approximately +\/-1 dKH when possible. Do not mix Reef Code A-P and Reef Code B-P solutions together because precipitation will occur. If using automated dosing, make sure the two solutions enter the aquarium in different areas. If dosing manually, allow at least 60 seconds between dosing the A-P and B-P solutions. Maintain magnesium between 1,290 and 1,320 ppm before using calcium and alkalinity products for best stability.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 4KG container of Brightwell Aquatics Reef Code B-P Alkalinity Additive.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289943511328,"sku":"BW-RCBP4KG","price":67.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-rcbp4kg.jpg?v=1753839760"},{"product_id":"brightwell-aquatics-coralline-accelerator-500ml","title":"Brightwell Aquatics Coralline Accelerator - 500ml","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Coralline Accelerator - 500ml\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Coralline Accelerator - 500ml is a reef-building supplement designed to provide key elements used by coralline algae, corals, clams, and other organisms that build aragonite skeletons or calcareous structures.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Coralline Accelerator for Reef-Building Elements\u003c\/h3\u003e\n\u003cp\u003eCoralline Accelerator supplies calcium, strontium, magnesium, potassium, and carbonate sources in a formula designed to support conditions favourable to coralline algae growth. It can be used as part of a reef supplementation routine when calcium demand and carbonate use are increasing.\u003c\/p\u003e\n\u003ch3\u003eCoralline Accelerator 500ml Marine Reef Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides elements directly used by coralline algae and reef-building invertebrates.\u003c\/li\u003e\n\u003cli\u003eSupplies calcium, strontium, magnesium, and potassium in approximately aragonite-like ratios.\u003c\/li\u003e\n\u003cli\u003eProvides carbonate sources involved in aragonite formation.\u003c\/li\u003e\n\u003cli\u003eRaises alkalinity to help stabilize pH.\u003c\/li\u003e\n\u003cli\u003eMay be used alongside other calcium, alkalinity, magnesium, and strontium supplementation methods.\u003c\/li\u003e\n\u003cli\u003eFree of phosphate, silicate, and organic material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Coralline Accelerator Strength and Testing Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 500 ml bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Reef-building element and coralline algae support supplement.\u003c\/li\u003e\n\u003cli\u003eTarget calcium range: 412 to 450 ppm.\u003c\/li\u003e\n\u003cli\u003eEach 1 ml raises calcium in 1 US gallon by approximately 20 ppm.\u003c\/li\u003e\n\u003cli\u003eWhen used at the basic dosage rate, 500 ml treats up to 2,500 US gallons.\u003c\/li\u003e\n\u003cli\u003eMay temporarily cloud aquarium water after dosing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCoralline Accelerator Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eShake well before use. Add 10 ml or 2 capfuls per 50 US gallons every other day, or as needed to maintain calcium between 412 and 450 ppm. Dose in the late evening if temporary cloudiness is a concern. For advanced adjustments, test calcium first and dose based on total system volume. If calcium is below 412 ppm, do not exceed 20 ml per 30 US gallons daily until the desired calcium level is reached. Maintain calcium stability within approximately +\/-10 ppm.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 500 ml bottle of Brightwell Aquatics Coralline Accelerator.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289946886432,"sku":"BW-CAC0500","price":32.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-cac0500.jpg?v=1753839766"},{"product_id":"brightwell-aquatics-boost-ph-500ml","title":"Brightwell Aquatics Boost pH+ - 500ml","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Boost pH+ - 500ml\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Boost pH+ - 500ml is a high-range pH raising supplement for marine and reef aquariums with adequate alkalinity but chronically depressed pH. It is intended for systems where excess carbon dioxide or other conditions make it difficult to maintain the desired pH range.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Boost pH+ for High-Range Reef pH Adjustment\u003c\/h3\u003e\n\u003cp\u003eBoost pH+ is designed to help raise the upper end of the aquarium's buffering system after alkalinity has already been brought into an appropriate range. It should not be used as the primary method of raising alkalinity, and it should not be used in aquariums with low alkalinity until alkalinity has first been corrected.\u003c\/p\u003e\n\u003ch3\u003eBoost pH+ 500ml Marine Aquarium Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRaises pH in marine and reef aquariums where alkalinity is already adequate.\u003c\/li\u003e\n\u003cli\u003eUseful for systems with depressed pH that may be linked to excess carbon dioxide.\u003c\/li\u003e\n\u003cli\u003eHelps target higher pH ranges that standard buffers may not reach easily.\u003c\/li\u003e\n\u003cli\u003epH generally stabilizes within about 10 minutes after use.\u003c\/li\u003e\n\u003cli\u003eDesigned for measured dosing with regular pH and alkalinity testing.\u003c\/li\u003e\n\u003cli\u003eMade with purified water and high-purity materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Boost pH+ Testing and Caution Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 500 ml bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: High-range pH increaser.\u003c\/li\u003e\n\u003cli\u003eTest alkalinity and pH before use.\u003c\/li\u003e\n\u003cli\u003eAlkalinity should be above 7.0 dKH or 2.5 meq\/L before dosing.\u003c\/li\u003e\n\u003cli\u003eDo not use this product as the main method of raising alkalinity.\u003c\/li\u003e\n\u003cli\u003eDo not subject livestock to pH changes greater than 0.2 in a 24-hour period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBoost pH+ Dosing Directions for Marine Aquariums\u003c\/h3\u003e\n\u003cp\u003eFirst adjust alkalinity above 7.0 dKH or 2.5 meq\/L using an appropriate alkalinity product if needed. To raise pH further, add 2.0 ml of Boost pH+ per 10 US gallons in a high-flow area such as a pump intake or powerhead exhaust. Re-test pH after it stabilizes, usually within about 10 minutes, and repeat only if needed. Do not add more than 10 ml per 10 US gallons per day. Avoid sudden pH changes and do not overdose.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 500 ml bottle of Brightwell Aquatics Boost pH+.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289947902240,"sku":"BW-BPH0500","price":18.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-bph0500.jpg?v=1753839765"},{"product_id":"brightwell-aquatics-replenish-500ml","title":"Brightwell Aquatics Replenish - 500ml","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Replenish - 500ml\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Replenish - 500ml is a minor and trace element supplement for marine fish and reef aquariums. It is designed to replace elements that are gradually depleted by livestock uptake, protein skimming, adsorption to particulate organic matter, and other normal aquarium processes.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Replenish Trace Element Support for Marine and Reef Aquariums\u003c\/h3\u003e\n\u003cp\u003eReplenish provides a broad blend of minor and trace elements that are present in natural seawater and used by marine organisms in very small amounts. It is useful for systems where regular water changes alone may not fully replace trace elements consumed or removed in established reef and fish-only aquariums.\u003c\/p\u003e\n\u003ch3\u003eReplenish 500ml Minor and Trace Element Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplies a wide range of minor and trace elements for marine aquariums.\u003c\/li\u003e\n\u003cli\u003eUseful for both reef and marine fish-only systems.\u003c\/li\u003e\n\u003cli\u003eHelps replace elements depleted by biological activity and filtration.\u003c\/li\u003e\n\u003cli\u003eDesigned for long-term maintenance rather than rapid correction of a single element.\u003c\/li\u003e\n\u003cli\u003eMade with purified water and high-purity materials.\u003c\/li\u003e\n\u003cli\u003eWorks best alongside strong husbandry, protein skimming, and regular water-quality monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Replenish Formula and Overdose Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 500 ml bottle.\u003c\/li\u003e\n\u003cli\u003eUse: Marine fish and reef aquariums.\u003c\/li\u003e\n\u003cli\u003eProduct type: Minor and trace element supplement.\u003c\/li\u003e\n\u003cli\u003eGuaranteed analysis includes zinc, iron, manganese, and cobalt.\u003c\/li\u003e\n\u003cli\u003eContains salts of barium, vanadium, zinc, nickel, chromium, iron, manganese, hafnium, cobalt, lanthanum, neodymium, cerium, silver, dysprosium, gadolinium, ytterbium, erbium, scandium, samarium, praseodymium, holmium, lutetium, terbium, europium, and thulium.\u003c\/li\u003e\n\u003cli\u003eGross overdosing of trace element supplements can be harmful to aquarium inhabitants.\u003c\/li\u003e\n\u003cli\u003eKeep out of reach of children and do not use for human consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplenish Dosing Directions for Marine Aquariums\u003c\/h3\u003e\n\u003cp\u003eShake well before use. Basic dosage is 1\/2 ml or approximately 10 drops per 25 US gallons every other day. Because many minor and trace elements cannot be measured reliably with hobbyist-grade test kits, start conservatively and observe livestock response over time. Brightwell suggests new users dose 1 ml per 10 US gallons weekly for the first four weeks, then gradually increase the weekly dosage to 2 ml per 10 US gallons over the following four weeks and maintain that dosage if the aquarium response is positive. Daily dosing can maintain more stable trace element concentrations than occasional large doses.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 500 ml bottle of Brightwell Aquatics Replenish.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50289996726560,"sku":"BW-REP0500","price":40.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/Brightwell_Aquatics_Replenish_-_500ml.jpg?v=1753840198"},{"product_id":"brightwell-aquatics-alkalin8-3-1000-gram","title":"Brightwell Aquatics Alkalin8.3 - 1000 Gram","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eBrightwell Aquatics Alkalin8.3 - 1000 Gram\u003c\/h2\u003e\n\u003cp\u003eBrightwell Aquatics Alkalin8.3 - 1000 Gram is a powdered alkalinity and pH buffer for marine and reef aquariums. It helps increase alkalinity, supports pH stability, and provides carbonate sources important for reef-building organisms that deposit aragonite skeletons.\u003c\/p\u003e\n\u003ch3\u003eBrightwell Alkalin8.3-P Powder Buffer for Marine Carbonate Hardness\u003c\/h3\u003e\n\u003cp\u003eThis powdered formula is designed for aquarists who want a concentrated dry alkalinity supplement that can be mixed before dosing. It is useful for maintaining carbonate hardness in reef systems where alkalinity is steadily consumed by corals, coralline algae, and other calcifying organisms.\u003c\/p\u003e\n\u003ch3\u003eAlkalin8.3 1000 Gram Powder Features for Reef Systems\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRaises alkalinity and helps stabilize pH in marine aquariums.\u003c\/li\u003e\n\u003cli\u003eContinued addition raises pH until 8.3 is reached, after which pH remains unchanged and alkalinity alone increases.\u003c\/li\u003e\n\u003cli\u003eSupplies carbonate sources used in aragonite skeletal growth.\u003c\/li\u003e\n\u003cli\u003eDry powder format is efficient for larger systems or routine alkalinity maintenance.\u003c\/li\u003e\n\u003cli\u003eFormulated for use with accurate alkalinity testing and controlled dosing.\u003c\/li\u003e\n\u003cli\u003eWhen used at the basic dosage rate, 1,000 g treats up to 10,000 US gallons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrightwell Alkalin8.3-P Mixing Strength and Formula Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 1000 g container.\u003c\/li\u003e\n\u003cli\u003eProduct type: Powdered alkalinity and pH buffer.\u003c\/li\u003e\n\u003cli\u003eTarget alkalinity range: 7 to 12 dKH.\u003c\/li\u003e\n\u003cli\u003eStrength: Each 1 g increases alkalinity in 1 US gallon by 12 dKH or 4.2 meq\/L.\u003c\/li\u003e\n\u003cli\u003eBasic mix rate: 2 g or approximately 1\/2 teaspoon per 20 US gallons dissolved in 8 fl. oz. of fresh water.\u003c\/li\u003e\n\u003cli\u003eIngredients: Inorganic carbonate, bicarbonate, sulfate, borate salts, and proprietary ingredients.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAlkalin8.3-P Powder Mixing and Dosing Directions\u003c\/h3\u003e\n\u003cp\u003eDetermine aquarium alkalinity with an accurate test kit before use. Do not add the dry powder directly to the aquarium. Dissolve 2 g or approximately 1\/2 teaspoon in 8 fl. oz. of fresh water for every 20 US gallons of aquarium water, then add the solution every other day or as needed to maintain alkalinity between 7 and 12 dKH. For calculated adjustments, dose based on total system volume and the desired dKH or meq\/L increase. Make alkalinity and pH changes gradually.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOne 1000 g container of Brightwell Aquatics Alkalin8.3-P powdered alkalinity buffer.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":50290026742048,"sku":"BW-ALKP1000","price":25.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-alkp1000.jpg?v=1781291735"},{"product_id":"brightwell-aquatics-iodion-250ml","title":"Brightwell Aquatics Iodion - 250ml","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eAdvanced iodide supplement for all marine fish and reef aquaria.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHighly-concentrated, extended activity iodide solution.\u003c\/li\u003e\n\u003cli\u003eProvides iodide, which is important to hermatypic corals and other invertebrates harboring zooxanthellae, macroalgae, and also to the health of fishes.\u003c\/li\u003e\n\u003cli\u003eStronger than most competing products.\u003c\/li\u003e\n\u003cli\u003eThe nature of iodide sources used makes Iodion more effective than standard iodide-solutions.\u003c\/li\u003e\n\u003cli\u003eSuitable for use by aquarium hobbyists of all skill and experience levels.\u003c\/li\u003e\n\u003cli\u003eComposed of purified water and ultra-high purity materials.\u003c\/li\u003e\n\u003cli\u003eFormulated by a marine scientist.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eInstructions\u003c\/h2\u003e\n\u003cp\u003eShake product well before using. Add 5 ml (1 capful) of product per 50 US-gallons of aquarium water every two- to three-days or as needed to maintain the iodine concentration within a range of 0.04 - 0.06 ppm. When used in this fashion, 250 ml treats up to 2,500 US-gallons (9,464 L).\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":51749177065760,"sku":"Z-010240","price":21.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/bw-iod0500_7b9dd768-5ab8-44ea-bbff-4a4d32d21a61.jpg?v=1779925541"}],"url":"https:\/\/aquariumsupplydirect.com\/collections\/major-elements.oembed","provider":"J\u0026L Aquatics - Aquarium Supply Direct","version":"1.0","type":"link"}