Phosphate Rx is an amazingly simple and effective product that has revolutionized the way phosphates are removed from saltwater and freshwater aquariums. When added, the formula rapidly binds to phosphate molecules making them inactive and easily filtered out.
Red Sea NO3: PO4-X is a unique complex of a number of different carbon molecules and other organic-bonded elements that enable a controlled biological reduction of algae nutrients (nitrate and phosphate) by naturally occurring nutrient reducing bacteria that exist in all aquariums