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
>