Quote:
Originally Posted by Borderjumper
Did you put the fish back in yet? I'm thinking leaving your tank fish less for had something to do with the zero reading?
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Half the fish were in, the rest just went in now. But I fed the tank even without fish, as I have a lot of hermits, shrimps, etc...
I've always had low readings though, but I did expect some PO4. I'll test again in a month and see what the full fish load does.