Seachem Reef Advantage Calcium 1 Kilogram sera PrefiX Filter rinse under a stream of

rinse under a stream of fresh water

2 in a 24 hour period

tasty composition with its high percentage of Haematococcus algae and Krill supports optimal color development due to valuable natural carotenoids

and may be used in freshwater

then you would add (200x10)/80=25 g into the top-off water

Seachem Reef Advantage Calcium 1 Kilogram sera PrefiX Filter rinse under a stream ofConcentrated, powder ionic calcium. Maintains magnesium and strontium. Can be added directly to aquarium. Overview: Reef Advantage Calcium is a non caustic (pH 8. 38. 6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes deficient, coral growth will cease, followed by a rapid decline in coral health. Reef Advantage