{"product_id":"red-sea-reef-foundation-pro-multi-test-kit-ca-alk-mg","title":"Red Sea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg)","description":"\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003eThe Red Sea \u003cstrong\u003eReef Foundation Pro Multi Test Kit\u003c\/strong\u003e tests the three core parameters every reef keeper needs to monitor: \u003cstrong\u003eCalcium (Ca), Alkalinity (Alk), and Magnesium (Mg)\u003c\/strong\u003e. These are the foundation elements of a healthy reef — keep them stable and in balance and your corals thrive.\u003c\/p\u003e\n  \u003cp\u003eDesigned for precision dosing of the Red Sea Foundation A, B, and C supplements, this kit is ideal for use alongside any Red Sea 4-Part Reef Care Dosing System (\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-4-part-rcp-complete-reef-care-dosing-system-small-150l-40-gal\"\u003eSmall\u003c\/a\u003e, \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-4-part-rcp-complete-reef-care-dosing-system-medium-300l-80-gal\"\u003eMedium\u003c\/a\u003e, \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-4-part-rcp-complete-reef-care-dosing-system-large-600l-160-gal\"\u003eLarge\u003c\/a\u003e).\u003c\/p\u003e\n  \u003cp\u003eFor coral coloration monitoring, pair with the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-trace-colors-pro-multi-test-kit-iodine-potassium-iron\"\u003eTrace Colors PRO Multi Test Kit\u003c\/a\u003e. Need calcium only? See the standalone \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-calcium-pro-test-kit\"\u003eCalcium Pro Test Kit\u003c\/a\u003e.\u003c\/p\u003e\n  \u003cp\u003eLooking for more testing gear? Browse our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/test-kits-reagents\" target=\"_blank\"\u003eTest Kits \u0026amp; Reagents\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cul\u003e\n    \u003cli\u003eTests the 3 core reef parameters: Calcium, Alkalinity, and Magnesium\u003c\/li\u003e\n    \u003cli\u003eHigh-accuracy titration methods\u003c\/li\u003e\n    \u003cli\u003eDesigned for precise dosing of Red Sea Foundation A\/B\/C supplements\u003c\/li\u003e\n    \u003cli\u003ePart of the complete Red Sea Reef Care Program\u003c\/li\u003e\n    \u003cli\u003eAffordable reagent refills available\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eRed Sea\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eReef Foundation Pro Multi Test Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eParameters Tested\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eCalcium, Alkalinity, Magnesium\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTest Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eTitration\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eSaltwater \/ Reef\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eTarget Ranges\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCalcium (Ca):\u003c\/strong\u003e 400–450 ppm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlkalinity (Alk):\u003c\/strong\u003e 7–11 dKH (8 dKH is a common target)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMagnesium (Mg):\u003c\/strong\u003e 1,250–1,350 ppm\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFAQ\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003e\u003cstrong\u003eWhy test all three together?\u003c\/strong\u003e\u003cbr\u003eCa, Alk, and Mg are interdependent — imbalance in one affects the others. Testing together gives you a complete picture of reef chemistry.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eHow often should I test?\u003c\/strong\u003e\u003cbr\u003eWeekly for established tanks; 2–3 times per week if you're newly dosing or running heavy coral loads.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCan I get refills?\u003c\/strong\u003e\u003cbr\u003eYes — Red Sea sells individual reagent refills so you're not buying the full kit every time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Red Sea","offers":[{"title":"Default Title","offer_id":48074116399323,"sku":"R21510","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_11858b81-72af-499f-825c-058b796ed618.png?v=1766427694","url":"https:\/\/squeakysaquatics.com\/products\/red-sea-reef-foundation-pro-multi-test-kit-ca-alk-mg","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}