Seachem Phosguard 2 L itemID-7909 Ascorbic acid (C) (min): 1

Ascorbic acid (C) (min): 1

Best results may be obtained by adding mixture to external biological filtration system (if applicable)

simple and user-friendly

For accurate results

preferably twice a day

Seachem Phosguard 2 L itemID-7909 Ascorbic acid (C) (min): 1PhosGuard rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuard is highly porous for high capacity and bead shaped for optimum water flow. Aluminum Oxide, Soluble Aluminum, and Coral Toxicity In recent years, there has been speculation that aluminum oxide based phosphate removers like PhosGuard release aluminum into the water and subsequently damage corals. The