Calcium (1.89 L.)

Calcium is a specially developed calcium additive with pH stabilizer for all marine aquariums. Calcium prevents calcium deficiency, improves absorption by the vitamin D3 it contains and optimizes the healthy growth of corals and invertebrates. Calcium contains over 450 mg/L of calcium in a highly bioavailable form. Dosage: Add 5 ml to 100 litres of water to increase the iodine content by 0.01 mg/L. In densely stocked saltwater aquariums, the dosage can be made daily.