D-D The Aquarium Solution Rowaphos 5LRemove phosphates from your reef tank with patented, man made ferric hydroxide from RowaPhos. Phosphate removal in a reef tank is important because nuisance algae is fed by phosphates. This algae can overrun your expensive corals spoiling the aesthetics of the tank. Additionally, high phosphate levels can reduce the growth of coral skeletons. Significant adsorption ability 25 g of phosphate per kg of media Once exhausted, will not leak back into the