This product can be used on its own for a one off fix for increasing Calcium levels in your marine / reef tank or for regular ongoing Calcium level maintenance.
Maintaining Calcium at natural sea water levels improves growth of stony corals and algae.
For use in aquarium to replenish lost calcium. Use as a single correction for low magnesium levels or as part of a balanced solution using the balling method. Use at the rate of 147g per 2 litres of water for balling.