{"product_id":"seachem-reef-complete","title":"Seachem Reef Complete","description":"\u003cp\u003e\u003cstrong\u003eSeachem Reef Complete\u003c\/strong\u003e is a concentrated calcium source for the reef aquarium, delivering calcium alongside magnesium and strontium in the balanced ratio corals use to build their skeletons. Maintaining a stable calcium level is the foundation of strong coral growth, vibrant coralline algae, and a healthy reef. Available from a 100 mL nano bottle up to a 2 L value size.\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 #006064; padding-left: 8px;\"\u003eWhy Reef Complete\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConcentrated calcium supplement (100,000 mg\/L) for fast, efficient dosing\u003c\/li\u003e\n\u003cli\u003eSupplies calcium, magnesium, and strontium in a coral-skeleton ratio\u003c\/li\u003e\n\u003cli\u003eMaintains calcium in the ideal 380 to 450 mg\/L range for SPS, LPS, and clams\u003c\/li\u003e\n\u003cli\u003eWill not spike pH when used as directed\u003c\/li\u003e\n\u003cli\u003ePart of the Seachem reef dosing system with Reef Builder and Reef Advantage Magnesium\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 #006064; padding-left: 8px;\"\u003eHow to Dose\u003c\/h3\u003e\n\u003cp\u003eAdd 5 mL (1 capful) per 80 L (about 20 US gallons) once or twice a week, or as needed to keep calcium between 380 and 450 mg\/L. Each dose at that rate raises calcium by roughly 10 mg\/L. Do not raise calcium by more than 50 mg\/L per day. Test regularly and dose to your tank's uptake; heavily stocked SPS systems use more.\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 #006064; padding-left: 8px;\"\u003eChoose Your Size\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; max-width: 480px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; padding: 8px; background: #E0F7FA; text-align: left;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; padding: 8px; background: #E0F7FA; text-align: left;\"\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003e100 mL\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003eNano reefs and trial use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003e250 mL\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003eSmall to mid-size reef tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003e500 mL\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003eEstablished reefs with steady demand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003e2 L\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003eLarge or SPS-heavy systems, best value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\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 #006064; padding-left: 8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; max-width: 520px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px; background: #E0F7FA; font-weight: bold; width: 42%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003eSeachem\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px; background: #E0F7FA; font-weight: bold;\"\u003eSupplies\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003eCalcium, magnesium, strontium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px; background: #E0F7FA; font-weight: bold;\"\u003eTarget calcium\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003e380 to 450 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px; background: #E0F7FA; font-weight: bold;\"\u003eFor\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003eSaltwater and reef aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px; background: #E0F7FA; font-weight: bold;\"\u003eSizes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003e100 mL, 250 mL, 500 mL, 2 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px; background: #E0F7FA; font-weight: bold;\"\u003eForm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 8px;\"\u003eLiquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\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 #006064; padding-left: 8px;\"\u003eComplete the System\u003c\/h3\u003e\n\u003cp\u003eCalcium is one leg of the balance. Pair Reef Complete with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-reef-builder\"\u003eSeachem Reef Builder\u003c\/a\u003e for alkalinity and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-reef-advantage-magnesium\"\u003eSeachem Reef Advantage Magnesium\u003c\/a\u003e to hold magnesium in range, or start with the all-in-one \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-reef-pack-fundamentals-starter-kit\"\u003eSeachem Reef Pack: Fundamentals\u003c\/a\u003e. For a bioavailable boost between water changes, add \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-reef-calcium-bioavailable-liquid-supplement\"\u003eSeachem Reef Calcium\u003c\/a\u003e. Always dose to a test: check levels with the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-calcium-pro-test-kit\"\u003eRed Sea Calcium Pro Test Kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eBrowse the full \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/seachem\"\u003eSeachem collection\u003c\/a\u003e, more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/additives-supplements\"\u003eAdditives \u0026amp; Supplements\u003c\/a\u003e, and everything in \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-water\"\u003eSaltwater\u003c\/a\u003e.\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 #006064; padding-left: 8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Reef Complete replace a calcium reactor?\u003c\/strong\u003e\u003cbr\u003eFor nano to mid-size reefs, regular dosing is plenty. Very large SPS systems may eventually prefer a reactor or two-part, but Reef Complete keeps calcium stable for most tanks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalcium, alkalinity, and magnesium all dropping?\u003c\/strong\u003e\u003cbr\u003eThat is normal coral uptake. Dose all three together (Reef Complete, Reef Builder, Reef Advantage Magnesium) and test weekly to keep them in balance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it in a fish-only saltwater tank?\u003c\/strong\u003e\u003cbr\u003eIt is intended for reef tanks with calcifying corals and coralline algae. A fish-only tank without corals does not need supplemental calcium.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"100 ml","offer_id":48731304001755,"sku":"335","price":5.17,"currency_code":"USD","in_stock":false},{"title":"250 ml","offer_id":48731304034523,"sku":"336","price":7.38,"currency_code":"USD","in_stock":true},{"title":"500 ml","offer_id":48731304067291,"sku":"333","price":11.33,"currency_code":"USD","in_stock":false},{"title":"2 L","offer_id":48731304100059,"sku":"338","price":40.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/0335-Reef-Complete-100-mL.png?v=1777548327","url":"https:\/\/squeakysaquatics.com\/products\/seachem-reef-complete","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}