{"product_id":"calcium20","title":"Calcium20+","description":"\u003cp\u003e\u003cstrong\u003eCalcium²⁰+\u003c\/strong\u003e is a concentrated calcium supplement formulated for reef aquariums. It is intended for maintaining and correcting calcium levels that fall below the natural seawater range (400–450 ppm). Unlike blended maintenance formulas, Calcium²⁰+ provides calcium alone, making it ideal for safely raising levels without disturbing balance. Each mL increases calcium by approximately 40 ppm per 1 US gallon (3.8 L).\u003c\/p\u003e\n\n\u003ch2\u003eInstructions \u003c\/h2\u003e\n\u003cp\u003eTest calcium with a reliable reef test kit before dosing.\u003c\/p\u003e\n\u003cp\u003eCalculate dose: 1 mL per 1 US gallon = +40 ppm calcium. 1 mL per 10 US gallons = +4 ppm calcium. Use your actual water volume, or the Reef Charge calculator. At the same dose it also adds approximately 70.8 ppm chloride.\u003c\/p\u003e\n\u003cp\u003eDose safely: Do not increase calcium by more than 20 ppm per day. Split larger corrections across separate days. Add dose slowly into a high-flow sump or display area. Re-test calcium after 24 hours before repeating.\u003c\/p\u003e\n\u003cp\u003eCompatibility: Never mix concentrates. Separate from alkalinity additions by at least 30 minutes.\u003c\/p\u003e\n\u003cp\u003eExample: In a 100-gallon system, 50 mL raises calcium by approximately +20 ppm, the most to add in one day.\u003c\/p\u003e\n\n\u003ch2\u003eIngredients\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePurified RO\/DI water\u003c\/li\u003e\n  \u003cli\u003eUSP-grade calcium salts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eStorage\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eStore tightly sealed in a cool, shaded location (≤25 °C \/ 77 °F).\u003c\/li\u003e\n  \u003cli\u003eProtect from direct light.\u003c\/li\u003e\n  \u003cli\u003eShelf life: 24 months.\u003c\/li\u003e\n  \u003cli\u003eCrystals that may form below 15 °C will redissolve when warmed and shaken.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNot for human consumption.\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with eyes, skin, and clothing.\u003c\/li\u003e\n  \u003cli\u003eIf on skin or in eyes, rinse with water for 15 minutes.\u003c\/li\u003e\n  \u003cli\u003eIf swallowed, rinse mouth and seek medical advice.\u003c\/li\u003e\n  \u003cli\u003eWash hands after use.\u003c\/li\u003e\n  \u003cli\u003eKeep out of reach of children and pets.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"New Dawn Aquaculture","offers":[{"title":"16 fl oz \/ Liquid","offer_id":67627131961533,"sku":"RC-CAL-16","price":16.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/6946\/3997\/files\/Calcium__Reef-Charge-2_55f76b1b-41d4-4e35-99b8-378f35d0588a.png?v=1790969168","url":"https:\/\/shoppa.ca\/products\/calcium20","provider":"Shoppa.ca","version":"1.0","type":"link"}