Red Sea Reef Foundation C Magnesium Supplement is a magnesium complex for balanced formation of coral skeletons. It contains blended salts of Magnesium and is part of Red Sea's complete Reef Care program.
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.
For best results dose according to a measured uptake of magnesium and in conjunction with Reef Foundation A and Reef Foundation B.