> From: DJ Delorie
>
> "Chuck Hackett" <egroupscdh@...> writes:
> > I'm looking for higher concentration H2O2 to try my hand at Toner
> > Transfer board etching.
>
> You don't need it.
>
> Go to the drug store or supermarket and get a bunch of the generic 3%
> hydrogen peroxide bottles.
> ....
I thought that 3% H2O2 contained too much water to be an effective etchant -
or am I confusing that with H2O2 needed to "replenish" a used etchant
solution?
If so, I assume you just start with fresh Muratic acid and 3% H2O2 rather
than replenishing it?
Cheers,
Chuck Hackett
"Good judgment comes from experience, experience comes from bad judgment"
7.5" gauge Union Pacific Northern (4-8-4) 844
http://www.whitetrout.net/Chuck