October 9th, 2014, 11:41 AM
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#1
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Premium Member
Join Date: Jan 2012
Location: BKLYN
Posts: 192
Rep Power: 26
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Bio - balls in a reef tank
It had been the subject of debate that bio balls are bad for a Saltwater tank. There are many filtration methods used on reef tanks. I still use bio balls. What do you think? Negative / Positive?
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