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Subject: Re: “Dragon’s Blood” res in reduces undercut?

From: "a3v03v0" <a3v03v0@...>
Date: 2009-06-28

Maybe I will give it a try when the SP is gone. I like the SP because
I can etch indoors without a hood.
--- In Homebrew_PCBs@yahoogroups.com, "Charles" <lancedulak@...> wrote:

> You should really try copper chloride.
> http://members.optusnet.com.au/eseychell/PCB/etching_CuCl/index.html
> Im currently making some. An extra upside is that you can use the HCL
(muriatic acid) + hydrogen peroxide to etch as part of creating the
copper chloride. The stuff is MUCH less scary than fcl, you can actually
see your board , its environmentally friendly and it recycles itself. 7
bucks for muriatic acid and a couple bucks for hydrogen peroxide and
youre set pretty much forever
>