ReefGrow Magnesium Pro


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ReefGrow Magnesium Pro provides an ion much needed for coral skeletons, much like calcium, strontium and carbonates. Unbeknownst to most hobbyists not only do stony corals use magnesium but fish, bacteria and even coralline algae use bio-available magnesium.

Often times cheaper salts tend to have extremely high levels of magnesium, as low magnesium levels can cause pH levels to plummet as well as interfere with available calcium levels. ReefGrow Magnesium Pro is a fully available magnesium available ion and much like ReefGrow Calcium Pro it dissolves crystal clear you know it’s available for your reef inhabitants.

Unlike other competitors products, all ReefGrow products can and should be used daily for maximum growth. And can be used within mere minutes of each other.

Additional information

Weight 0.5 oz


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