"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.
Message
Re: [Homebrew_PCBs] Disposing of Etchant.
2010-02-26 by DJ Delorie