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Subject: Re: [Homebrew_PCBs] Old etch

From: Chris Maness <chris@...>
Date: 2010-04-02

If you keep the Ferric Chloride in a container with a lid and add a bit of
> HCl every few months before a use, it will etch PCBs for years if you use
> air bubbler agitation. Better to keep it.
>

That works for FeCl3 too? I thought that was just for CuCl2 solution.

Chris


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