Join Date: Feb 2011
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Re: First timer on 29 gal going for reef
bio balls work good in fish only systems. People who have large tanks with alot of fish, like Trigger fish, Puffers etc. Feed them and they make a mess. They need to convert to nitrates faster. Higher nitrates in fish only systems is not that big of deal. But to keep corals, we need to keep nitrates down to as little as possible. If you had to keep the bioballs, I would clean them at least once a week.
Are you feeding frozen food? Are you rinsing it out with R.O. water first?