M masterswimmer Old School Reefer Vendor Manhattan Reefs Location NY Rating - 99.6% 450 2 0 Feb 19, 2010 #21 jimmyr1rider said: people usually remove the bio balls because they trap uneaten food flakes and other debris and from what i understand cause nitrate problems. Click to expand... +1
jimmyr1rider said: people usually remove the bio balls because they trap uneaten food flakes and other debris and from what i understand cause nitrate problems. Click to expand... +1