Yea I run carbon and gfo about 1.75 cups of it p04 is usually 0.08-0.10 and my nitrates have never been above 1-2ppm in ny tank just over the last month it's creeped up with goby sifting the 2year old sand bed that hasn't been touched that with the new pump and I think caused this whole thing
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Current tank---125 gallon mixed reef 60 gallon sump, Reef octopus nw200 skimmer, Rapid LEDs, Maxspec gyre, Mp10s, Fuge, Biweekly 20% WC, QT everything
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