Red Sea - Foundation C Magnesium Liquid Supplement carbon resulting in cleaner and healthier

resulting in cleaner and healthier aquarium substrate (without having to physically clean or disturb the substrate bed)

Suitable for use by aquarium hobbyists of all skill and experience levels

which are extremely toxic to fish and invertebrates

A360X has more color control

Red Sea - Foundation C Magnesium Liquid Supplement carbon resulting in cleaner and healthierA magnesium complex for balanced formation of coral skeletons. 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. Red Seas Reef Foundation C contains blended salts of magnesium and is part of Red Seas complete Reef Care Program. Concentration: 1ml will raise the Mg level of 100 liters (25gal) by 1ppm.