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Subject: Re: [Homebrew_PCBs] Muratic/peroxide etch

From: DJ Delorie <dj@...>
Date: 2010-08-31

The emerald CuCl solution needs some TLC over time to remain "fast".
Adding HCl is one option. See:

http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/