| Re: Nitrate Level I would remove those sponges since they will trap detritus and lead to nitrate problems and try to clean that canister on a weekly basis. How often do you feed and how much quantity ? How much total flow ????
__________________ Robert  My Cube “A spirit is manifest in the laws of the Universe—a spirit vastly superior to that of man, and one in the face of which we with our modest powers must feel humble.” Albert Einstein |