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View Full Version : Bio-balls in, high nitrates; bio-balls out, microbubbles.

cherubfish pair
09/12/2007, 11:40 PM
Bio-balls in, high nitrates; bio-balls out, microbubbles.

There's no happy medium. :(
JetCat USA
09/12/2007, 11:46 PM
filter socks changed out regularly do wonders :D