Fritz RPM Liquid Magnesium

Fritz RPM Liquid Magnesium supplies essential magnesium to marine aquariums enabling a balanced ratio between calcium and alkalinity while enhancing the growth and development of many corals invertebrates and beneficial calcareous algae. Formulated from pure magnesium chloride and sulfate this product guarantees a minimum of 70 000 ppm magnesium for optimal results. With this liquid formula aquarists can maintain the same chloride to sulfate ratio as natural seawater.