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Homebrew PCBs

Index last updated: 2026-04-09 22:20 UTC

Message

Re: Etching container

2010-06-09 by James

--- 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.

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