{"product_id":"red-sea-reef-foundation-b-alkalinity-powder-1kg","title":"Red Sea Foundation B KH\/Alkalinity Powder 1 KG (2.2lb)","description":"\u003cp\u003e\u003cstrong\u003eRed Sea Reef Foundation B\u003c\/strong\u003e is the alkalinity (KH) supplement in Red Sea's Reef Foundation ABC program. This \u003cstrong\u003e1 kg (2.2 lb)\u003c\/strong\u003e powder delivers the carbonate and bicarbonate buffer that stabilizes pH and supplies the alkalinity corals draw on to build their skeletons—an economical way to keep KH rock-steady in busy SPS and LPS reef tanks.\u003c\/p\u003e\n\u003cp\u003eBuild the full program with more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/red-sea\"\u003eRed Sea\u003c\/a\u003e reef care and \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/additives-supplements\"\u003eadditives \u0026amp; supplements\u003c\/a\u003e at Squeaky's Aquatics.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy Reef Foundation B\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStabilizes alkalinity \u0026amp; pH\u003c\/strong\u003e — replaces the carbonate corals consume as they grow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart of the ABC system\u003c\/strong\u003e — works alongside Foundation A (Calcium) and Foundation C (Magnesium) for balanced skeletal growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEconomical 1 kg powder\u003c\/strong\u003e — far more dosing per dollar than pre-mixed liquids; ideal for larger systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake your own solution\u003c\/strong\u003e — dissolve into a stock dosing solution or add directly per the program.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReef-grade purity\u003c\/strong\u003e — formulated for marine reef aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eDosing \u0026amp; Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDose to your tank's measured alkalinity uptake, following Red Sea's Reef Foundation program.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNever add more than 60 g at once\u003c\/strong\u003e, regardless of tank size; space larger amounts 10 minutes apart to avoid precipitation.\u003c\/li\u003e\n\u003cli\u003eTest alkalinity weekly and keep Calcium, Alkalinity, and Magnesium in balance.\u003c\/li\u003e\n\u003cli\u003eFor a stock solution, dissolve 1 kg into roughly 100 L (per Red Sea's KH guidelines).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:6px 0 4px;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eRed Sea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eReef Foundation B — KH\/Alkalinity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eForm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003ePowder concentrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1 kg (2.2 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eMaintains\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eCarbonate alkalinity (KH) \u0026amp; stable pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eProgram\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eUse with Foundation A (Ca) \u0026amp; C (Mg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eFor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSaltwater reef aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reef-foundation-a-calcium-powder-1kg\"\u003eRed Sea Reef Foundation A (Calcium) Powder\u003c\/a\u003e — the calcium half of the program.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reef-foundation-c-magnesium-powder-1kg\"\u003eRed Sea Reef Foundation C (Magnesium) Powder\u003c\/a\u003e — keeps Ca \u0026amp; Alk in balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reef-foundation-pro-multi-test-kit-ca-alk-mg\"\u003eRed Sea Reef Foundation Pro Multi Test Kit\u003c\/a\u003e — test Ca, Alk \u0026amp; Mg to dose accurately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does Foundation B do?\u003c\/strong\u003e It maintains carbonate alkalinity (KH), the buffer that stabilizes pH and provides the carbonate corals use to build their skeletons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePowder vs. liquid—what's the difference?\u003c\/strong\u003e The powder is a concentrated, more economical form. You dose it per the program or dissolve it into your own stock solution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much should I dose?\u003c\/strong\u003e It depends on your tank's alkalinity uptake—test weekly and dose to demand. Never add more than 60 g at once.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need all three (A, B, C)?\u003c\/strong\u003e For balanced coral growth, yes—calcium, alkalinity, and magnesium must be kept in proportion.\u003c\/p\u003e","brand":"Red Sea","offers":[{"title":"Default Title","offer_id":48784860676315,"sku":"R22027","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_1e20b627-00bc-44d3-bafb-e80829d74266.jpg?v=1779135929","url":"https:\/\/squeakysaquatics.com\/products\/red-sea-reef-foundation-b-alkalinity-powder-1kg","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}