Red Sea Reef Foundation C (Mg) - 1 kg.

A magnesium complex for balanced formation of coral skeletons. Maintaining balanced levels of the foundation elements (ca, kh & mg) creates optimal water conditions for promoting strong and healthy coral growth. Reef Foundation C is a powder magnesium complex for balanced formation of coral skeleton (recommended for aquarium over 500 liters/125gal). Royal Item Number: ARE22037