Reef Advantage Calcium 1 kg

Dry calcium supplement for coral growth in marine reef aquariumsHelps restore and maintain calcium to levels found in natural seawaterRaises calcium levels and also maintains magnesium and strontiumSeachem Reef Advantage Calcium is a buffered (pH 8.3-8.6) optimized blend of calcium, magnesium, strontium, sodium, potassium, and other salts designed for reef aquaria supplementation. Makes an excellent companion to Reef Builder Does not have a caustic pH and won't deplete magnesium or alkalinity. 1 tsp. per 20 gallons raises calcium 25 mg/L. 250 grams treats 2,000 gallons. A dry version of Reef Complete.Please click on "More Information" for directions for use.