{"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","url":"https:\/\/francoisneo.com\/products\/esv-granular-activated-carbon","provider":"FrancoisNeo","version":"1.0","type":"link"}