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11/17/25mm (
Weekly as part of Regular Care to reduce aquarium maintenance and maintain strong chemical filtration
plus it blocks debris and evenly distributes water flow before it drips into the Power Filter's biological trickle chamber
Unlike traditional nitrifying bacteria
It contains a rich assortment of important micro elements
Seachem Reef Advantage Calcium Eheim 11/17/25mm (Seachem Reef Advantage Calcium Concentrated, powder ionic calcium Maintains magnesium and strontium Can be added directly to aquarium Description 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