| Re: Bio Balls, is this really why??? Vent away, good for the spleen, Ok eg. tank. ammonia 0, nitrites 0, nitrates 2. everything remains the same but you add bioballs and now the nitrates will elevate?? what is fueling this increase, there are no trites showing, please help the thick, cause it aint clear yet. Thanks Linkman, Im off to read now.Steve |