Homebrew PCBs

Mixed it . not sure if its exactly 17% .. 
But at a swimming pool supply place you can
get 35% H2O2 .. and I diluted it with the 3%
stuff you get in the store .. 

Randy

--- In Homebrew_PCBs@yahoogroups.com, "designer_craig" <cs6061@...> wrote:
>
> Randy,
> Where did you get your 17% Peroxide?
> 
> Craig
> 
> --- In Homebrew_PCBs@yahoogroups.com, "Randy S." <rj3819@> wrote:
> >
> > ok .. 17% peroxide .. 
> > 34 % muriatic acid ..
> > mixed 3 : 1 ..
> > never seen copper come off a board that fast .. ever .. 
> > did it outdoors .. respirator .. goggles .. gloves .. 
> > anyways.. should the solution be bubbling even AFTER I take the 
> > board out ?? whats it mean .. I put more 3 % peroxide in it .. 
> > calmed it down ..  is it safe? 
> > 
> > Randy
> >
>