Homebrew PCBs

Yes, but how much of the oxygen is coming out too? I bet there is
little difference between the air that goes in and comes out, even
with nice small bubbles.

ST

On Wed, Jul 15, 2009 at 4:26 PM, leon Heller<leon355@...> wrote:
> If you can smell it coming out of the etchant, it
> doesn't look like much of it is getting into the solution.
>
> Leon
>
>