RE: [APD] adding Calcium Carbonate

["S. Hieber" <shieber at yahoo_com>]

Above a certain pH, CalcCarb (CaCo3) tends to precipitate
instead of dissolve. Something over pH 8 as I recall.
anyone rember the value?

Scott H.
--- Sean Kettle <kettles at videotron_ca> wrote:
> What really helps it to dissolve is CO2 injection.  The
> carbonic acid does a
> nice job of dissolving the powder.
> 
>

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