Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

Interesting idea. Especially if you have access to an acetylene torch set.

--- In Homebrew_PCBs@yahoogroups.com, Mark Lerman <mlerman@...> wrote:
>
> If I add 3% H2O2 to regenerate my etchant, I'm adding a lot of
> water to the mix, so I'm wondering if there's any advantage or
> disadvantage in bubbling oxygen rather than air through CuCl2 etching
> solution? Or does the air itself regenerate the solutionadequately in
> addition to agitating it?
>
> Mark
>