PhosGuard 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. It outperforms all competing products.
Sizes: 250 mL, 500 mL, 1 Litre, 2 Litre, 4 Litre
PhosGuard (Alumina Oxide)
PhosBond (GFO and Alumina Oxide hybrid)
aquavitro phosfiltrum (GFO)