RowaPhos
PhosBan®Julian Sprung's Marine Aquarium Formula
Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate, and does not release adsorbed substances. Recommended by Julian Sprung for long-lasting and easy control of phosphate levels on a permanent basis. Available in 150g
454g treats 1,700lts of saltwater or 3,400lts of freshwater