Re: adjusting pH of aquarium water

let me restate...most fresh freshwater fish seem to be more sensitive to
chlorine compounds that sulfate compounds.

Bob
"David Lloyd" <[EMAIL PROTECTED]> wrote in message
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> "Robert Flory" <[EMAIL PROTECTED]> wrote in message
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> > "Paul Wright" <[EMAIL PROTECTED]> wrote in message
> > news:[EMAIL PROTECTED]
> > > Hello all,
> > >
> > > I was wondering...why is sulfuric acid often used to lower the pH of
> > > aquarium water? I thought that it would be more toxic than using
something
> > > like hydrochloric acid. Do the SO4 ions serve a purpose in the tank?
> >  Please
> > > let me know. Also, does anyone know the concentration of sulfuric acid
in
> > > commercial home aquarium pH adjustor kits? There's a warning, alerting
me
> >  to
> > > the precense of sulfuric acid and warning me of it's corrosive
properties,
> > > but no mention as to how concentrated it is.
> > >
> > > Many thanks in advance for your help!
> > >
> > > Paul
> > >
> > Most fish are more sensitive to chlorine than to SO4.
>
> Using HCl would introduce chloride ions, not dissolved chlorine gas.