{"product_id":"coral-essentials-magnesium-trace","title":"Coral Essentials Magnesium + Trace","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e\n\u003cp\u003eCoral Essentials Magnesium + Trace is made in Australia. It is a concentrated magnesium supplement for marine reef tanks, with selected trace elements mixed in.\u003c\/p\u003e\n\u003cp\u003eMagnesium is the third foundation parameter with calcium and alkalinity. If magnesium is too low, calcium and carbonates cannot stay dissolved at high levels and can precipitate as white powder, which also makes alkalinity swing. This 90,000 ppm solution supplies available magnesium plus Coral Power Trace A and B and other minor traces, so you can support magnesium and those micros from one bottle.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrated magnesium:\u003c\/strong\u003e 90,000 ppm liquid for high-demand tanks and stable parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraces included:\u003c\/strong\u003e Blended with Coral Power Trace A and B and other minor traces, so you do not need extra bottles for those micros.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeeps calcium and carbonate in solution:\u003c\/strong\u003e Helps prevent precipitation and wild alkalinity swings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimpler routine:\u003c\/strong\u003e Traces are dosed in a set ratio with each magnesium addition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosing pumps:\u003c\/strong\u003e Suitable for automatic dosing reservoirs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWater and system compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e Marine \/ saltwater reef aquariums only. Not for freshwater or planted tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget:\u003c\/strong\u003e About 1300–1380 ppm magnesium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDosing and instructions\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eAlways follow dosage \u0026amp; directions on product packaging.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eChoose one of these methods:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOption 1: Daily recipe\u003c\/strong\u003e\u003cbr\u003eAdd the starting volume each day in a high-flow area of the sump or display:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft coral \/ LPS:\u003c\/strong\u003e 0.5 ml per 100 litres daily\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed reef:\u003c\/strong\u003e 1 ml per 100 litres daily\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPS dominant:\u003c\/strong\u003e 2 ml per 100 litres daily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOption 2: Calculated dose\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e 1 ml raises magnesium by 0.9 ppm per 100 litres.\u003c\/li\u003e\n\u003cli\u003eTest magnesium regularly to find how much the tank uses each day. Enter those values in the \u003ca href=\"https:\/\/www.coralessentials.com.au\/calculators.html\" rel=\"noopener noreferrer\" title=\"Links to coral essentials calculator in a new window\" target=\"_blank\"\u003eCoral Essentials dosing calculator\u003c\/a\u003e to set the daily volume.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Coral Essentials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentration:\u003c\/strong\u003e 90,000 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 500 ml \/ 2.75 L \/ 10 L\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Coral Essentials","offers":[{"title":"500ml","offer_id":56319056707889,"sku":null,"price":34.95,"currency_code":"AUD","in_stock":true},{"title":"2.75 Litres","offer_id":56319056740657,"sku":null,"price":69.95,"currency_code":"AUD","in_stock":true},{"title":"10 Litres","offer_id":56319056773425,"sku":null,"price":174.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/6066\/3601\/files\/ce_magnesium_trace_all.png?v=1789640428","url":"https:\/\/www.williamstownaquarium.com.au\/products\/coral-essentials-magnesium-trace","provider":"Williamstown Aquarium","version":"1.0","type":"link"}