Aquarium Tips — Reef Tank

Often overlooked, magnesium plays a critical role in chemical and biological processes in an aquarist's saltwater aquarium. The magnesium content in natural saltwater is only behind that of sodium and chloride, making it a major element as opposed to a trace element. Magnesium is essential to all organisms for biological functions, and is very important to organisms that are skeleton building such as LPS and SPS corals. Many times we find hobbyists that are struggling with issues in their coral reef aquarium only to find deficiencies in magnesium. It is very difficult to maintain ideal calcium and alkalinity levels in saltwater without...