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Re: [Homebrew_PCBs] relatively good prices

2013-02-14 by Mitch Davis

On Fri, Feb 15, 2013 at 2:22 AM, Leon Heller <leon355@...> wrote:
>
> The NaOH developer I use (2 tsps per litre) lasts indefinitely.

I believe my home-use developer is Sodium Metasilicate Pentahydrate.

Mitch.

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