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

----- Original Message -----
From: "pork_u_pine2000" <wittend@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Sunday, July 08, 2007 8:57 PM
Subject: [Homebrew_PCBs] Re: Etchants is use


>I have been experimenting with H2O2 + HCl. I just don't like ferric
> chloride much. It's just nasty stuff. And I was also very surprised
> to find 35% H2O2 at my local 'natural' food store for about that
> price. I usually stay away from their 'nutraceuticals' department
> because I wouldn't want to ingest anything that they sell, but for
> dissolving copper I make an exception. The H2O2 is conspicuously
> labeled 'dilute before using', though they avoid indicating what you
> might want to use it for...

Why do 'health' food shops sell it? 8-)

Leon