boxxmann
Aquarium Advice Activist
Is there anyone that can tell me if GFO can be used in a freshwater aquarium?
boxxmann said:granular ferric oxide....used in saltwater aquariums for removal of phosphates
Fishie said:I would post the thread in saltwater since you posted in freshwater ^_^
maxwellag said:But they are asking if it can be used in FW...