I would think it must be the 3% type, two parts out of three is _WAY_ overkill with 30%, probably outright dangerous. ST On Mon, Jan 26, 2009 at 9:58 PM, Wayne Topa <linuxone@...> wrote: > What was the volume of the the peroxide, the 3% drugstore type or > the 30% Beauty Supply type? I was able the get the 30% and I think I > read, somewhere, that 1 to 1 was OK. > > Wayne >
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Re: [Homebrew_PCBs] Re: Getting started with Cupric Chloride - I think...
2009-01-26 by Stefan Trethan