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Reef Advantage Calcium is a non-caustic (pH 8.3-8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater
Reef Advantage Magnesium is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural sea water.
Alder cones for lowering the pH value in a natural way. 50ct
Guaranteed, reef-safe elimination of Aiptasia
Catappa leaves condition the water as in natural biotopes. As catappa leaves dissolve, they release tannins which stain the water and lower the pH.