Tropic Marin Pro Reef Salt Sharks Because it is made from

Because it is made from expensive marine aragonite

For that purpose a proper calcium additive together with an accurate test kit are required

Includes 1 x 18W  or 24w DC pump

with exceptionally high accuracy of 0

DC pump included

Tropic Marin Pro Reef Salt Sharks Because it is made fromTropic Marin PRO REEF sea salt has been designed to meet the special requirements of reef aquariums with optimized concentrations of calcium and magnesium, which promote the growth of corals. The lower buffering and the correct pH value serve to stabilize the natural water values, and particularly, the hardness of carbonates, even with the use of calcium reactors. Natural and stable conditions for delicate marine life are achieved only by accurately