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Re: Low pH Problem

Roger Miller writes:

<< Pyrite (FeS2) in particular is quite insoluble, but its effect on pH does
> not require its dissolution.  Both the iron and the sulfur are in reduced
> states and can be oxidized without dissolution either spontaneously or
> with the help of specialized bacteria.  The net reaction forms goethite
> (FeO(OH)) and produces sulfuric acid.  Oxidation of sulfide minerals is
> the reason that some mine drainage water can have a pH of 2.  >>

So if my pH is stubbornly high, could the use of fool's gold be considered a
good "anti-buffer", to help lower it against the effects of the buffers that
are keeping my water at 7.6 in spite of my efforts?

Bob Dixon