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 coral health and growth.

Reef Foundation C contain blended salts of Magnesium for balanced formation of the coral skeleton and is part of Red Seas Complete Reef Care Program.

For Best results, dose according to a measured uptake of Magnesium and in conjunction with Reef Care Foundation A & B.

Liquid: 1ml will raise the Mg level of 100 liters by 1ppm.