{"product_id":"salifert-magnesium-test-kit-25-50-tests-for-marine-reef-aquariums","title":"Salifert Magnesium Test Kit (25–50 Tests) for Marine \u0026 Reef Aquariums","description":"\u003cp data-start=\"296\" data-end=\"576\"\u003eMaintaining correct magnesium levels is critical for a healthy and stable reef aquarium. The Salifert Magnesium Test Kit (25–50T) is designed for accurate measurement of magnesium in marine and reef waters, helping reef keepers maintain optimal calcium and alkalinity balance.\u003c\/p\u003e\n\u003cp data-start=\"578\" data-end=\"907\"\u003eMagnesium occurs naturally in seawater at concentrations of around 1300–1400 mg\/L and plays a vital role in coral growth, calcareous algae development, and photosynthesis. It also prevents unwanted chemical precipitation of calcium carbonate, ensuring calcium and alkalinity are used biologically—where corals need them most.\u003c\/p\u003e\n\u003cp data-start=\"909\" data-end=\"1175\"\u003eLow magnesium levels can cause rapid depletion of calcium, alkalinity instability, and loss of valuable trace elements. With Salifert’s high-precision test kit, reef aquarists can confidently monitor magnesium levels and take corrective action before problems arise.\u003c\/p\u003e\n\u003cp data-start=\"1177\" data-end=\"1300\"\u003eAt Reef freaks, we recommend regular magnesium testing as an essential part of any successful reef maintenance routine.\u003c\/p\u003e\n\u003cp data-start=\"1307\" data-end=\"1326\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1330\" data-end=\"1392\"\u003eAccurate magnesium measurement for marine \u0026amp; reef aquariums\u003c\/li\u003e\n\u003cli data-start=\"1395\" data-end=\"1447\"\u003eMeasures natural seawater range (1300–1400 mg\/L)\u003c\/li\u003e\n\u003cli data-start=\"1450\" data-end=\"1497\"\u003eSupports stable calcium \u0026amp; alkalinity levels\u003c\/li\u003e\n\u003cli data-start=\"1500\" data-end=\"1553\"\u003ePrevents unwanted calcium carbonate precipitation\u003c\/li\u003e\n\u003cli data-start=\"1556\" data-end=\"1604\"\u003eEssential for coral \u0026amp; coralline algae growth\u003c\/li\u003e\n\u003cli data-start=\"1607\" data-end=\"1630\"\u003e25–50 tests per kit\u003c\/li\u003e\n\u003cli data-start=\"1633\" data-end=\"1686\"\u003eEasy-to-follow instructions with reliable results\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1717\" data-end=\"2127\"\u003eThe Salifert Magnesium Test 25–50T is an essential diagnostic tool for reef aquariums. By accurately measuring magnesium levels, it helps maintain proper calcium and alkalinity balance, prevents chemical instability, and promotes healthy coral and algae growth. Ideal for both beginner and advanced reef keepers, this test kit supports long-term reef success when used as part of a regular testing regimen.\u003c\/p\u003e","brand":"Reef-freaks","offers":[{"title":"Default Title","offer_id":55421194633592,"sku":"SAL-MAGNES","price":13.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7115\/3169\/files\/6_6_662007_42.png?v=1768627012","url":"https:\/\/reef-freaks.co.uk\/products\/salifert-magnesium-test-kit-25-50-tests-for-marine-reef-aquariums","provider":"Reef-freaks","version":"1.0","type":"link"}