PhosBan® GFO 50lb Quantity:50lb (1 carton) very solid and strong bond

very solid and strong bond

Also great for making bases for large corals and rags

technological innovation

After witnessing firsthand the changes in the Florida reef ecosystem that followed the near extinction of the long spine sea urchin Diadema antillarum in the early 1980s

gravity-defying

PhosBan® GFO 50lb Quantity:50lb (1 carton) very solid and strong bondPhosBan GFO is 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. Bulk packing available.