Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, garydeal <garydeal@...> wrote:
>
> 
>      This afternoon I finally got around to mixing up a small batch 
of 
> the 1/3 HCl + 2/3 H2O2. I've read the positive reviews on that recipe 
> here, but was really surprised/impressed at the results.

What strength of HCL and H2O2 did you use? I went shopping for Muratic 
acid and found some at 37%, the H2O2 was 12% (listes as "40" on the 
side of the bottle) from my local Salon supply store. Are these stong 
enough to etch PCB's or should I look for stronger stuff?

Dave Miller