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

----- Original Message -----
From: "Terry Mickelson" <tmdslca@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, December 12, 2005 6:10 AM
Subject: Re: [Homebrew_PCBs] Re: Mechanical Etching


>
> 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

They are mostly made of plastic, these days.

Leon
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