How often do you clean the sponge & ceramics? These have been shown to increase nitrates. If it were me, I'd ditch them and just use your skimmer/carbon in those compartments.
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~Drew
10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W
Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz
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