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--- 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
>