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Re: [APD] GH vs. PPM

roger at spinn_net wrote:
> The organic chemistry of aquariums is something that we know relatively little
> about.  While it may be responsible for a lot of different effects in an
> aquarium I doubt that the organics have much at all to do with melting watchs
> or with hard-to-remember experiences during our youths.

Oh, I see now. They were talking about organic acids, not "organic acid." :D

Jerry Baker
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