Homebrew PCBs

Update...It finished at 11:00.  Barely any copper came off in the
first 30 minutes, but then the etching made noticeable progress.  It
must be the cool temperature.  By the way, the crock pot that I am
thinking about using is a crock pot that I use for cleaning model
airplane engines, not making a yankee pot roast.

--- In Homebrew_PCBs@yahoogroups.com, "billshat44" <billshat44@...> wrote:
>
> I am currently etching a PCB with 2 parts peroxide to 1 part muriatic
> acid.  It is cloudy and cool here and I am doing it outside to avoid
> the fumes.  It seems like it is taking forever. I'm assuming it is the
> temperature that is affecting the speed.  Has anyone used a crockpot
> to warm the solution?
>