20ppm Nitrates
I can't seem to bring my Nitrates lower then 20ppm. I do 10g water change in my 65g tank weekly and clean the filters about every 3 weeks. I did a 10g water change lastnight and still the nitrates are 20ppm. Any suggestions on why they aren't going down?
I don't over feed, or so I think, the fish eat everything given to them, the anemones eat whats fed to them.
Thanks!!
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