PhosBan Julian Sprung's Marine Aquarium Formula This granular ferric oxide hydroxide adsorbs phosphates from saltwater and freshwater. Also adsorbs silicates and dissolved organics. Does not leach adsorbed substances and does not affect water pH. Long lasting and easy way to control phosphate levels permanently. All sizes except 6000 g include filter bag(s). 150g. Treats 150 gallons.

Phosban Reactor