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Subject: Re: [Homebrew_PCBs] Disposing of Etchant.

From: DJ Delorie <dj@...>
Date: 2010-02-26

"Jachin" <jachin.s@...> writes:

> storing the used etchant for long periods is not feasible.

How long is "long periods" ? Mine's been sitting on my workbench for
two years now, and I have some used FeCl that I got years before that.