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Subject: Re: [Homebrew_PCBs] How to dispose of etchant?

From: DJ Delorie <dj@...>
Date: 2010-01-06

Lez <lez.briddon@...> writes:
> as in the UK all we have left where I am is 'maplins'

I built my CuCl tank using stuff from the local supermarket (hydrogen
peroxide 3% - for cleaning cuts) and hardware store (muriatic acid 37%
- for cleaning concrete). It's not specialty stuff.