By providing Calcium and Magnesium Aquavascular GH Bosster (CAL MAG) restores and maintains general hardness (GH). Improves natural water chemistry for reverse osmosis water conversion for fresh water fish, shrimps and plants. Establishes a well - balanced electrolyte system.

Mainatin 6-7 dGH or 40-45 ppm . Calcium for stem plants is recommended.