--- William Kroyer <william.kroyer@...> wrote: > ... but I'm guessing it's "reguvinated" by simply adding > more HCl or H2O2. in other words: you are pouring more 'pure' etchant into the weakened solution! __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
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Re: [Homebrew_PCBs] Blue CuCl etchant...
2006-05-03 by Herbert E. Plett