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Re: acetic acid
> I don't know about Australia, but in the US hydrochloric ("muriatic")
> acid is available in almost every hardware store for cleaning up
> concrete. It works about as well as sulfuric acid for purposes of
> acidification, because one uses so little of it.
I recently did extensive testing with muriatic acid. It will reduce buffering
agents such as carbonates to a degree, but for permanent pH changes, it is
ineffective. It manages to gas off very quickly as hydrogen chloride.