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Unread 11/03/2017, 10:17 AM   #20
rtparty
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Join Date: Oct 2008
Location: Utah
Posts: 7,404
While the real chemists can chime in and correct me, I wonder if the tank is phosphate limited and not allowing nitrates to come down naturally. My recent research shows shooting for a ratio of 10ppm N to .10ppm P seems to keep everything happy and in check. Assuming the Phosphate reading is correct (.04 falls within the acceptable error range for some readers) the tank could actually be at 0 phosphates. I am learning the hard way that a consistent reading of 0 phosphates isn't a good thing. At least not for me and my system (and a lot of others too.)


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Current Tank Info: 50g Cadlights/Giesemann Spectra (250w Radium, 2 ATI Blue Plus, 2 ATI Actinic)/2 x Vortech MP10wQD/Skimz SN123/Eheim Compact 3000+
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