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Old 11-15-2012, 01:14 AM   #1
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Default high nitrates...

I have a planted tank. I've been dosing the water colum with dry ferts mon,wed,fri. I do a 50% water change every saturday. I checked my nitrates today (wed) and they where @ 80-100 ppm. I haven't checked my levels in forever because I do a 50% every week. Should I be concerned? And what could cause this high of a level? All the other levels are great.
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