Seachem Laboratories Aquavitro Calcification 11.8 oz

calcification(tm) is a concentrated (140,000 mg/L) optimized blend of ionic and bioavailable gluconate complexed calcium designed to restore and maintain calcium to levels found in natural seawater, without affecting pH. These two forms of calcium are combined in calcification(tm) to provide the hobbyist with a convenient way to ensure peak coral growth and health.