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 C contains blended salts of magnesium and is part of Red Sea's complete Reef Care Program.
Concentration 1ml will raise the Mg level of 100 litres (25gal) by 1ppm.
Size: 1kg