In reef aquariums, the maintenance of Calcium in a range between 410-450 ppm will allow corals and other hermatipic invertebrates to grow rapidly as long as sea water meets all the other chemical-physical requirements. Extra Calcium is a very efficient calcium supplement. Produced from pure salts "for analysis" it is designed to quickly restore the concentration of calcium to the levels present in natural marine water. Suitable for use also to those who use the Balling method, in combination with Elos Extra Magnesium, ElosKH + and our line of Trace Elements.
Use: add every other day or as needed, in order to maintain the concentration of calcium in a range between 410 - 450 ppm. It is suggested to create a solution by dissolving 10 grams of Extra Calcium in approximately 0.2 liters of osmosis water. Each ml. of solution will increase the concentration of calcium by about 2.0 ppm every 5 liters of water.