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Subject: Re: Etching container

From: "James" <jamesrsweet@...>
Date: 2010-06-09

--- In Homebrew_PCBs@yahoogroups.com, "Dale J. Chatham" <dale@...> wrote:
>
> Uhh... The question was "where do I get NaOH?"
>
> The answer was Drano.
>
> I'm not sure how effective it is against Cu, though.
>
>


It causes the dissolved Cu to precipitate out so you can dispose of it as solid waste.