{"title":"ESV","description":"\u003cp\u003eExplore ESV aquarium supplements and water-care products at Francois Neo. Check individual product pages for usage instructions and availability.\u003c\/p\u003e","products":[{"product_id":"esv-granular-activated-carbon","title":"ESV Granular Activated Carbon","description":"\u003ch2\u003e\u003cspan\u003eESV B-Ionic Magnesium\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eA measured approach to magnesium supplementation for your reef.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eESV B-Ionic Magnesium is a liquid supplement designed to help maintain magnesium levels in marine and reef aquariums. Available in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e32 fl oz and 1-gallon sizes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, it fits both smaller systems and established reef-care routines.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eThe Francois Neo approach\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBefore adding a supplement, I want to understand what the aquarium needs. Magnesium belongs in the same conversation as calcium and alkalinity—but it should be measured, not dosed automatically simply because the other two are being supplemented.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMy approach is straightforward: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etest, review the trend, then adjust gradually\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Consider your salt mix, water-change schedule and existing additives before changing your routine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy choose B-Ionic Magnesium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLiquid magnesium supplementation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTwo package sizes to suit your aquarium and maintenance routine.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCan be used alongside a calcium and alkalinity supplementation program, following the manufacturer’s instructions.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eHow to use\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTest magnesium before dosing and follow the instructions on your specific product label. Adjust additions around your aquarium’s measured needs, and recheck the result before making further changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid chasing a single test result. Consistent measurements help you make better decisions.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExplore \u003c\/span\u003e\u003ca href=\"https:\/\/francoisneo.com\/collections\/exaqua\"\u003e\u003cspan\u003eExaqua photometers and supplies\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/francoisneo.com\/collections\/elos-aquatest-kits\"\u003e\u003cspan\u003eELOS AquaTest Kits\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e to build your testing routine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAvailable sizes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e32 fl oz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Reference 170\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1 US gallon\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Reference 171\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eNeed help understanding your results?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhether you are reviewing an existing routine or planning your first dosing setup, we can help you connect the measurements with practical next steps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/francoisneo.com\/pages\/aquarium-water-testing\"\u003e\u003cspan\u003eWater testing and analysis\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/francoisneo.com\/pages\/aquarium-dosing\"\u003e\u003cspan\u003eAquarium dosing guidance\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/francoisneo.com\/pages\/coaching-and-guidance\"\u003e\u003cspan\u003eAquarium coaching\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/francoisneo.com\/pages\/contact\"\u003e\u003cspan\u003eContact Francois Neo\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/francoisneo.com\/collections\/esv\"\u003e\u003cspan\u003eExplore the ESV collection\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFrancois Neo — Your AquariumPartner.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk about this product\u003c\/a\u003e \u003c\/p\u003e","brand":"ESV","offers":[{"title":"15 oz (425 g)","offer_id":68342076604639,"sku":"210","price":19.99,"currency_code":"USD","in_stock":true},{"title":"3.5 lb (1600 g)","offer_id":68342076637407,"sku":"211","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0326\/5247\/files\/Carbon_Esv.png?v=1793320045"},{"product_id":"esv-b-ionic-calcium-buffer-concentrate-2-gallon-refill-unit","title":"ESV B-Ionic Calcium Buffer Concentrate — 2 Gallon Refill Unit","description":"\u003ch2\u003eTwo components. One goal: consistent calcium and alkalinity.\u003c\/h2\u003e\n\u003cp\u003eESV B-Ionic Calcium Buffer System provides calcium and carbonate alkalinity through two complementary liquid components. Used in equal amounts as directed, it offers a practical approach to daily reef supplementation while helping maintain the aquarium’s inorganic ionic balance.\u003c\/p\u003e\n\u003cp\u003eThe formula also supplies major, minor and trace elements to help replace ions lost through aquarium processes, including protein skimming.\u003c\/p\u003e\n\u003ch3\u003eWhy choose B-Ionic?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-part supplementation for calcium and alkalinity.\u003c\/li\u003e\n\u003cli\u003eLiquid dosing once properly prepared.\u003c\/li\u003e\n\u003cli\u003eMajor, minor and trace elements included in the formulation.\u003c\/li\u003e\n\u003cli\u003eA routine you can adjust around your aquarium’s measured consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Francois Neo approach\u003c\/h3\u003e\n\u003cp\u003eFor me, supplementation starts with understanding what your aquarium consumes. A dosing recommendation is a starting point—not a number to follow indefinitely.\u003c\/p\u003e\n\u003cp\u003eTrack alkalinity consistently, check calcium regularly, and adjust gradually. Your coral population, growth and maintenance routine will influence demand. The objective is a stable aquarium, with a dosing routine you understand and can maintain.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/aquarium-dosing\"\u003eExplore our approach to aquarium dosing\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eThe recommended starting dose is \u003cstrong\u003e1 mL of each component per 4 US gallons of aquarium capacity per day\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAdd the components separately according to the manufacturer’s instructions. Do not mix the two components together before dosing.\u003c\/p\u003e\n\u003cp\u003eTest calcium and alkalinity frequently while establishing your routine. Adjust the daily dose based on measured consumption and stability, following the product label.\u003c\/p\u003e\n\u003cp\u003eFor testing equipment, explore \u003ca href=\"\/collections\/exaqua\"\u003eExaqua photometers and supplies\u003c\/a\u003e and \u003ca href=\"\/collections\/elos-aquatest-kits\"\u003eELOS AquaTest Kits\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003ePackage contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Component No. 1 — Alkalinity, 1 gallon\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Component No. 2 — Calcium, 1 gallon\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTotal package size: 2 gallons across two separate containers.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eImportant: check preparation instructions\u003c\/h3\u003e\n\u003cp\u003eSome B-Ionic sizes are supplied as concentrates in partially filled containers. These require dilution with RO\/DI water to the indicated fill line before use.\u003c\/p\u003e\n\u003cp\u003eConcentrate can form a clear or white solid mass. Follow the label’s dilution and mixing instructions, and allow the material to dissolve completely before dosing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCheck your specific package label: preparation requirements differ between formats.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eNeed help establishing your dosing routine?\u003c\/h3\u003e\n\u003cp\u003eShare your aquarium volume, recent calcium and alkalinity results, and current supplementation schedule. Francois Neo can help you understand the measurements and plan your next steps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/aquarium-water-testing\"\u003eWater testing and analysis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/coaching-and-guidance\"\u003eAquarium coaching and guidance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/contact\"\u003eContact Francois Neo\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/esv\"\u003eExplore the ESV collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrancois Neo — Your AquariumPartner.\u003c\/strong\u003e\u003c\/p\u003e","brand":"ESV","offers":[{"title":"Default Title","offer_id":68342076670175,"sku":"155","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0326\/5247\/files\/ESV2L_8d5a0332-b641-4769-8540-fce5a34a8e29.png?v=1793320675"},{"product_id":"esv-b-ionic-alkalinity-concentrate-1-gallon","title":"ESV B-Ionic Calcium Buffer Concentrate — Component 1 Only","description":"\u003cheader class=\"page-header fixed-top\"\u003e\n\u003cdiv class=\"panel wrapper\"\u003e\n\u003cdiv class=\"panel header\"\u003e\n\u003cdiv class=\"top-nav navigation\"\u003e\n\u003cdiv class=\"widget block block-static-block\"\u003e\n\u003cdiv class=\"site-tab salt\"\u003e\n\u003cdiv class=\"salt-tab tab\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003ch3\u003eMaintain Stable Alkalinity with ESV B-Ionic\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComponent 1 of the ESV B-Ionic Calcium Buffer System\u003c\/li\u003e\n\u003cli\u003eSupplies Carbonate Alkalinity Used During Calcification\u003c\/li\u003e\n\u003cli\u003eDesigned to Be Used with B-Ionic Component 2 - Calcium\u003c\/li\u003e\n\u003cli\u003eReady-to-Use 1 Gallon Size\u003c\/li\u003e\n\u003cli\u003eHelps Maintain Ionic Balance in Reef Aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eESV B-Ionic Component 1 - Alkalinity is the alkalinity portion of ESV's two-part Calcium Buffer System. It supplies the carbonate alkalinity consumed by corals and other calcifying organisms and is designed to be dosed alongside B-Ionic Component 2 - Calcium.\u003c\/p\u003e\n\u003cp\u003eWhen used together in equal amounts, the B-Ionic Calcium Buffer System provides calcium and alkalinity while also supplying important major, minor, and trace elements in ratios formulated to help maintain the ionic balance of aquarium water. The system can also help replenish inorganic ions removed through processes such as protein skimming.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eRecommended Dosage\u003c\/h3\u003e\n\u003cp\u003eThe recommended starting dose for the complete B-Ionic Calcium Buffer System is \u003cstrong\u003e1 mL of Component 1 and 1 mL of Component 2 per 4 gallons of aquarium volume per day\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eTest calcium and alkalinity frequently when establishing your dosing schedule and adjust the amount as needed to maintain stable levels. Aquarium demand will vary depending on coral stocking, growth, and other factors.\u003c\/p\u003e\n\u003cp\u003eDose Component 1 and Component 2 separately in an area of good water flow. Do not combine the concentrated solutions together before adding them to the aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This product contains Component 1 - Alkalinity only. B-Ionic Component 2 - Calcium is sold separately and is required for use as the complete ESV B-Ionic Calcium Buffer System.\u003c\/p\u003e\n\u003ch3\u003eNeed Both Components? Save with the Complete B-Ionic Bundle\u003c\/h3\u003e\n\u003cp\u003eIf you need both Component 1 - Alkalinity and Component 2 - Calcium, the complete \u003cstrong\u003eESV B-Ionic Calcium Buffer System Bundle\u003c\/strong\u003e is the better value. The 2-gallon package includes \u003cstrong\u003e1 gallon of Component 1 and 1 gallon of Component 2\u003c\/strong\u003e and costs substantially less than purchasing the two components individually.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eWhat's Included?\u003c\/h3\u003e\n\u003cp\u003eESV B-Ionic Component 1 - Alkalinity (1 Gallon)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"show-more-details btn action secondary active\" data-analytics-promotion-name=\"Show More\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/header\u003e","brand":"ESV","offers":[{"title":"Default Title","offer_id":68342077030623,"sku":"155A","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0326\/5247\/files\/ESV_AKL.png?v=1793321858"},{"product_id":"esv-b-ionic-calcium-buffer-system-2-gallon-unit","title":"ESV B-Ionic Calcium Buffer System — 2 Gallon Unit","description":"\u003ch2\u003eTwo components. One goal: consistent calcium and alkalinity.\u003c\/h2\u003e\n\u003cp\u003eESV B-Ionic Calcium Buffer System provides calcium and carbonate alkalinity through two complementary liquid components. Used in equal amounts as directed, it offers a practical approach to daily reef supplementation while helping maintain the aquarium’s inorganic ionic balance.\u003c\/p\u003e\n\u003cp\u003eThe formula also supplies major, minor and trace elements to help replace ions lost through aquarium processes, including protein skimming.\u003c\/p\u003e\n\u003ch3\u003eWhy choose B-Ionic?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo-part supplementation for calcium and alkalinity.\u003c\/li\u003e\n\u003cli\u003eLiquid dosing once properly prepared.\u003c\/li\u003e\n\u003cli\u003eMajor, minor and trace elements included in the formulation.\u003c\/li\u003e\n\u003cli\u003eA routine you can adjust around your aquarium’s measured consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Francois Neo approach\u003c\/h3\u003e\u003cp\u003eFor me, supplementation starts with understanding what your aquarium consumes. A dosing recommendation is a starting point—not a number to follow indefinitely.\u003c\/p\u003e\u003cp\u003eTrack alkalinity consistently, check calcium regularly, and adjust gradually. Your coral population, growth and maintenance routine will influence demand. The objective is a stable aquarium, with a dosing routine you understand and can maintain.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/aquarium-dosing\"\u003eExplore our approach to aquarium dosing\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cp\u003eThe recommended starting dose is \u003cstrong\u003e1 mL of each component per 4 US gallons of aquarium capacity per day\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eAdd the components separately according to the manufacturer’s instructions. Do not mix the two components together before dosing.\u003c\/p\u003e\u003cp\u003eTest calcium and alkalinity frequently while establishing your routine. Adjust the daily dose based on measured consumption and stability, following the product label.\u003c\/p\u003e\u003cp\u003eFor testing equipment, explore \u003ca href=\"\/collections\/exaqua\"\u003eExaqua photometers and supplies\u003c\/a\u003e and \u003ca href=\"\/collections\/elos-aquatest-kits\"\u003eELOS AquaTest Kits\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003ePackage contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Component No. 1 — Alkalinity, 1 gallon\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Component No. 2 — Calcium, 1 gallon\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTotal package size: 2 gallons across two separate containers.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eImportant: check preparation instructions\u003c\/h3\u003e\u003cp\u003eSome B-Ionic sizes are supplied as concentrates in partially filled containers. These require dilution with RO\/DI water to the indicated fill line before use.\u003c\/p\u003e\u003cp\u003eConcentrate can form a clear or white solid mass. Follow the label’s dilution and mixing instructions, and allow the material to dissolve completely before dosing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck your specific package label: preparation requirements differ between formats.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eNeed help establishing your dosing routine?\u003c\/h3\u003e\u003cp\u003eShare your aquarium volume, recent calcium and alkalinity results, and current supplementation schedule. Francois Neo can help you understand the measurements and plan your next steps.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/aquarium-water-testing\"\u003eWater testing and analysis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/coaching-and-guidance\"\u003eAquarium coaching and guidance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/contact\"\u003eContact Francois Neo\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"\/collections\/esv\"\u003eExplore the ESV collection\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrancois Neo — Your AquariumPartner.\u003c\/strong\u003e\u003c\/p\u003e","brand":"ESV","offers":[{"title":"Default Title","offer_id":68342077063391,"sku":"152","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0326\/5247\/files\/ESV2L_c0324554-fd9a-4bf1-b57e-e249f09158db.png?v=1793320414"},{"product_id":"esv-b-ionic-calcium-concentrate-1-gallon","title":"ESV B-Ionic Calcium Buffer System — Component 2 Only","description":"\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003ch3\u003eMaintain Stable Calcium with ESV B-Ionic\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComponent 2 of the ESV B-Ionic Calcium Buffer System\u003c\/li\u003e\n\u003cli\u003eSupplies Calcium Used During Calcification\u003c\/li\u003e\n\u003cli\u003eDesigned to Be Used with B-Ionic Component 1 - Alkalinity\u003c\/li\u003e\n\u003cli\u003eReady-to-Use 1 Gallon Size\u003c\/li\u003e\n\u003cli\u003eHelps Maintain Ionic Balance in Reef Aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eESV B-Ionic Component 2 - Calcium is the calcium portion of ESV's two-part Calcium Buffer System. It supplies the calcium consumed by corals and other calcifying organisms and is designed to be dosed alongside B-Ionic Component 1 - Alkalinity.\u003c\/p\u003e\n\u003cp\u003eWhen used together in equal amounts, the B-Ionic Calcium Buffer System provides calcium and alkalinity while also supplying important major, minor, and trace elements in ratios formulated to help maintain the ionic balance of aquarium water. The system can also help replenish inorganic ions removed through processes such as protein skimming.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eRecommended Dosage\u003c\/h3\u003e\n\u003cp\u003eThe recommended starting dose for the complete B-Ionic Calcium Buffer System is \u003cstrong\u003e1 mL of Component 1 and 1 mL of Component 2 per 4 gallons of aquarium volume per day\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eTest calcium and alkalinity frequently when establishing your dosing schedule and adjust the amount as needed to maintain stable levels. Aquarium demand will vary depending on coral stocking, growth, and other factors.\u003c\/p\u003e\n\u003cp\u003eDose Component 1 and Component 2 separately in an area of good water flow. Do not combine the concentrated solutions together before adding them to the aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This product contains Component 2 - Calcium only. B-Ionic Component 1 - Alkalinity is sold separately and is required for use as the complete ESV B-Ionic Calcium Buffer System.\u003c\/p\u003e\n\u003ch3\u003eNeed Both Components? Save with the Complete B-Ionic Bundle\u003c\/h3\u003e\n\u003cp\u003eIf you need both Component 1 - Alkalinity and Component 2 - Calcium, the complete \u003cstrong\u003eESV B-Ionic Calcium Buffer System Bundle\u003c\/strong\u003e is the better value. The 2-gallon package includes \u003cstrong\u003e1 gallon of Component 1 and 1 gallon of Component 2\u003c\/strong\u003e and costs substantially less than purchasing the two components individually.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eWhat's Included?\u003c\/h3\u003e\n\u003cp\u003eESV B-Ionic Component 2 - Calcium (1 Gallon)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"show-more-details btn action secondary active\" data-analytics-promotion-name=\"Show More\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk about this product\u003c\/a\u003e · \u003ca href=\"\/pages\/aquarium-water-testing\"\u003eExplore water testing\u003c\/a\u003e\u003c\/p\u003e","brand":"ESV","offers":[{"title":"Default Title","offer_id":68342077096159,"sku":"152A","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0326\/5247\/files\/ESVCal.png?v=1793322334"},{"product_id":"esv-kalkwasser-powder","title":"ESV Calcium Hydroxide — Kalkwasser Powder","description":"\u003cp\u003eESV calcium hydroxide (kalkwasser powder), available in two package sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eESV Calcium Hydroxide is pure and meets American Water Works Association and Water Chemical Codex requirements. Dosing with Kalkwasser is one of the very few proven, effective methods to add calcium and alkalinity with a single product while maintaining pH. Commonly used in conjunction with auto top off systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePrepare and use according to the manufacturer instructions. Review aquarium measurements and your existing supplementation routine before making changes.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk about this product\u003c\/a\u003e · \u003ca href=\"\/pages\/aquarium-water-testing\"\u003eExplore water testing\u003c\/a\u003e\u003c\/p\u003e","brand":"ESV","offers":[{"title":"14 oz (400 g)","offer_id":68342077128927,"sku":"101","price":19.99,"currency_code":"USD","in_stock":true},{"title":"3.5 lb (1600 g)","offer_id":68342077161695,"sku":"102","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0326\/5247\/files\/ESVKALK.png?v=1793321211"},{"product_id":"esv-b-ionic-magnesium","title":"ESV B-Ionic Magnesium","description":"\u003cp\u003eESV B-Ionic Magnesium, available in 32 fl oz and 1 US gallon sizes.\u003c\/p\u003e\n\u003cp\u003eWhen used with calcium and alkalinity supplements, magnesium plays an important role in stabilizing pH in your reef tank. B-Ionic Magnesium is an easy to use liquid magnesium supplement which  will not disrupt the ionic balance of closed marine tank. Add 1.5 mL per gallon of aquarium capacity per day until a target level of 1200-1350 ppm magnesium is reached.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstructions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAdd 1.5 mL per gallon of aquarium capacity per day until a target level of 1200-1350 ppm magnesium is reached.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eB-Ionic Magnesium contains 36,000 ppm magnesium, and  1 mL will raise 1 gallon of aquarium water by 10 ppm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk about this product\u003c\/a\u003e · \u003ca href=\"\/pages\/aquarium-water-testing\"\u003eExplore water testing\u003c\/a\u003e\u003c\/p\u003e","brand":"ESV","offers":[{"title":"32 fl oz","offer_id":68342077227231,"sku":"170","price":20.99,"currency_code":"USD","in_stock":true},{"title":"1 US gal","offer_id":68342077259999,"sku":"171","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0326\/5247\/files\/ESV_MAG.png?v=1793322581"}],"url":"https:\/\/francoisneo.com\/collections\/esv.oembed","provider":"FrancoisNeo","version":"1.0","type":"link"}