I was using a RODI. pH came out a little low, I added pH+ and now its too
high... I'm in the middle of a partial water change to reduce the pH.
Unfortunately, RODI takes a while to come out...

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"Pszemol" wrote in message
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"Peter Pan" wrote in message
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I was told the optimum pH level is 8.2 ppm. I was also told that if they
go
higher, it's not really a problem, that the fish like it. I'm hovering
around 9.0 ppm. Is this too high?

It is way too much - do you overdose kalkwasser?