{"product_id":"fritz-rpm-liquid-magnesium","title":"Fritz RPM Liquid Magnesium","description":"\u003ch2 data-start=\"251\" data-end=\"777\"\u003e\n\u003cstrong data-start=\"251\" data-end=\"267\"\u003eIntroduction\u003c\/strong\u003e\u003cbr data-start=\"267\" data-end=\"270\"\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"251\" data-end=\"777\"\u003eFritz RPM Liquid Magnesium is a premium-grade liquid supplement formulated to raise and stabilize magnesium levels in reef and marine aquariums. Magnesium is essential for coral health, playing a key role in regulating calcium and alkalinity balance—two parameters vital for coral skeleton development, vibrant coloration, and overall reef vitality. This concentrated, fast-absorbing formula makes it easy to achieve precise magnesium levels, helping aquarists maintain a healthy, balanced marine ecosystem.\u003c\/p\u003e\n\u003ch2 data-start=\"779\" data-end=\"793\"\u003e\u003cstrong data-start=\"779\" data-end=\"791\"\u003eFeatures\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"794\" data-end=\"1413\"\u003e\n\u003cli data-start=\"794\" data-end=\"923\"\u003e\n\u003cp data-start=\"796\" data-end=\"923\"\u003e\u003cstrong data-start=\"796\" data-end=\"837\"\u003eRestores \u0026amp; Maintains Magnesium Levels\u003c\/strong\u003e – Helps achieve and maintain the optimal magnesium concentration in reef aquariums.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"924\" data-end=\"1068\"\u003e\n\u003cp data-start=\"926\" data-end=\"1068\"\u003e\u003cstrong data-start=\"926\" data-end=\"964\"\u003eSupports Coral Growth \u0026amp; Coloration\u003c\/strong\u003e – Essential for calcium uptake, coral calcification, and the formation of strong skeletal structures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1069\" data-end=\"1176\"\u003e\n\u003cp data-start=\"1071\" data-end=\"1176\"\u003e\u003cstrong data-start=\"1071\" data-end=\"1104\"\u003eFast-Absorbing Liquid Formula\u003c\/strong\u003e – Ensures rapid availability to marine organisms for quicker results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1177\" data-end=\"1311\"\u003e\n\u003cp data-start=\"1179\" data-end=\"1311\"\u003e\u003cstrong data-start=\"1179\" data-end=\"1212\"\u003eBalances Calcium \u0026amp; Alkalinity\u003c\/strong\u003e – Prevents calcium carbonate precipitation by maintaining the proper magnesium-to-calcium ratio.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1312\" data-end=\"1413\"\u003e\n\u003cp data-start=\"1314\" data-end=\"1413\"\u003e\u003cstrong data-start=\"1314\" data-end=\"1342\"\u003eSafe for All Marine Life\u003c\/strong\u003e – Ideal for sensitive reef tanks with corals, invertebrates, and fish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1415\" data-end=\"1438\"\u003e\u003cstrong data-start=\"1415\" data-end=\"1438\"\u003eDirections \u0026amp; Dosage\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1440\" data-end=\"1464\"\u003e\u003cstrong data-start=\"1440\" data-end=\"1462\"\u003eAdjustment Dosage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1465\" data-end=\"1732\"\u003e\n\u003cli data-start=\"1465\" data-end=\"1491\"\u003e\n\u003cp data-start=\"1467\" data-end=\"1491\"\u003eShake well before use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1492\" data-end=\"1532\"\u003e\n\u003cp data-start=\"1494\" data-end=\"1532\"\u003eTest magnesium levels before dosing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1533\" data-end=\"1605\"\u003e\n\u003cp data-start=\"1535\" data-end=\"1605\"\u003e\u003cstrong data-start=\"1535\" data-end=\"1543\"\u003e1 mL\u003c\/strong\u003e raises magnesium by \u003cstrong data-start=\"1564\" data-end=\"1574\"\u003e18 ppm\u003c\/strong\u003e in \u003cstrong data-start=\"1578\" data-end=\"1602\"\u003e1 US gallon (3.78 L)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1606\" data-end=\"1685\"\u003e\n\u003cp data-start=\"1608\" data-end=\"1685\"\u003e\u003cstrong data-start=\"1608\" data-end=\"1624\"\u003e5 mL (1 tsp)\u003c\/strong\u003e raises magnesium by \u003cstrong data-start=\"1645\" data-end=\"1654\"\u003e9 ppm\u003c\/strong\u003e in \u003cstrong data-start=\"1658\" data-end=\"1682\"\u003e10 US gallons (38 L)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1686\" data-end=\"1732\"\u003e\n\u003cp data-start=\"1688\" data-end=\"1732\"\u003eDo \u003cstrong data-start=\"1691\" data-end=\"1731\"\u003enot exceed 5 mL per 1 gallon per day\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1734\" data-end=\"1755\"\u003e\u003cstrong data-start=\"1734\" data-end=\"1753\"\u003eRoutine Dosing:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1756\" data-end=\"1946\"\u003e\n\u003cli data-start=\"1756\" data-end=\"1861\"\u003e\n\u003cp data-start=\"1758\" data-end=\"1861\"\u003eAdd \u003cstrong data-start=\"1762\" data-end=\"1795\"\u003e10 mL per 10 US gallons daily\u003c\/strong\u003e until the desired magnesium level (1,280–1,400 ppm) is reached.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1862\" data-end=\"1946\"\u003e\n\u003cp data-start=\"1864\" data-end=\"1946\"\u003eOnce within range, dose \u003cstrong data-start=\"1888\" data-end=\"1907\"\u003edaily or weekly\u003c\/strong\u003e based on consumption and test results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1948\" data-end=\"1971\"\u003e\u003cstrong data-start=\"1948\" data-end=\"1969\"\u003eApplication Tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1972\" data-end=\"2421\"\u003e\n\u003cli data-start=\"1972\" data-end=\"2035\"\u003e\n\u003cp data-start=\"1974\" data-end=\"2035\"\u003eDose in a \u003cstrong data-start=\"1984\" data-end=\"2010\"\u003esump or high-flow area\u003c\/strong\u003e for even distribution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2036\" data-end=\"2106\"\u003e\n\u003cp data-start=\"2038\" data-end=\"2106\"\u003eSafe for invertebrates and compatible with all aquarium equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2107\" data-end=\"2187\"\u003e\n\u003cp data-start=\"2109\" data-end=\"2187\"\u003eCloudiness is normal—wait for it to dissipate before adding other RPM parts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2188\" data-end=\"2275\"\u003e\n\u003cp data-start=\"2190\" data-end=\"2213\"\u003eBottle cap measuring:\u003c\/p\u003e\n\u003cul data-start=\"2216\" data-end=\"2275\"\u003e\n\u003cli data-start=\"2216\" data-end=\"2250\"\u003e\n\u003cp data-start=\"2218\" data-end=\"2250\"\u003e4 oz, 8 oz, 16 oz caps = ~5 mL\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2253\" data-end=\"2275\"\u003e\n\u003cp data-start=\"2255\" data-end=\"2275\"\u003e32 oz cap = ~10 mL\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2276\" data-end=\"2355\"\u003e\n\u003cp data-start=\"2278\" data-end=\"2355\"\u003eIf overdosed, observe livestock and perform a small water change if needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2356\" data-end=\"2421\"\u003e\n\u003cp data-start=\"2358\" data-end=\"2421\"\u003eUse a reliable \u003cstrong data-start=\"2373\" data-end=\"2395\"\u003emagnesium test kit\u003c\/strong\u003e for accurate adjustments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2423\" data-end=\"2443\"\u003e\u003cstrong data-start=\"2423\" data-end=\"2441\"\u003eAvailable Size\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2444\" data-end=\"2464\"\u003e\n\u003cli data-start=\"2444\" data-end=\"2464\"\u003e\n\u003cp data-start=\"2446\" data-end=\"2464\"\u003e\u003cstrong data-start=\"2446\" data-end=\"2464\"\u003e473 mL \/ 16 oz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2466\" data-end=\"2872\"\u003e\n\u003cstrong data-start=\"2466\" data-end=\"2485\"\u003eRecommendations\u003c\/strong\u003e\u003cbr data-start=\"2485\" data-end=\"2488\"\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"2466\" data-end=\"2872\"\u003eFor best results, use \u003cstrong data-start=\"2510\" data-end=\"2540\"\u003eFritz RPM Liquid Magnesium\u003c\/strong\u003e alongside \u003cstrong data-start=\"2551\" data-end=\"2582\"\u003eFritz RPM Pt 1 – Alkalinity\u003c\/strong\u003e and \u003cstrong data-start=\"2587\" data-end=\"2605\"\u003ePt 2 – Calcium\u003c\/strong\u003e as part of the full RPM system. Balanced levels of magnesium, calcium, and alkalinity are essential for coral calcification, pH stability, and preventing precipitation. Regular water testing and consistent dosing will help maintain a vibrant, thriving reef aquarium.\u003c\/p\u003e","brand":"Fritz Aquatics","offers":[{"title":"473ML","offer_id":45677534314647,"sku":"080531803103","price":26.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1979\/6631\/files\/Fritz_RPM_Liquid_Magnesium_473ML.jpg?v=1754221624","url":"https:\/\/petsupplycentral.com.au\/products\/fritz-rpm-liquid-magnesium","provider":"Pet Supply Central","version":"1.0","type":"link"}