| Re: Hey, I'm Jay! In a FO tank the bio-balls are fine to use but I would use a pre-filter so you don't get large particles of food etc. going into the bio-balls and just rot there.
__________________ 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 |