Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: [Homebrew_PCBs] Blue CuCl etchant...

From: "Herbert E. Plett" <cachureos@...>
Date: 2006-05-03

--- 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