Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons. All of these elements need to be available in balanced proportions for positive coral health and growth.
Reef Foundation A contains blended salts of calcium and strontium in the ratio required by corals and is part of Red Sea's complete Reef Care Program.
Liquid supplement: 1ml will raise the Ca level of 100 liters (25 gal) by 2pp
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