Re: adjusting pH of aquarium water

"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.

Bob