Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Re: [Homebrew_PCBs] Re: Mechanical Etching
From: Terry Mickelson <tmdslca@...>
Date: 2005-12-12
On Dec 9, 2005, at 6:44 AM, Mike Young wrote:
FeCl3 is used in water treatment, as in drinking water, to deodorize and
disinfect. All the same, it takes only a few seconds and costs just
pennies
to neutralize it before dumping.
You'll find that if you don't neutralize it first, it will eat away
all your sink's connections made of brass like the trap under the sink.
Terry M
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