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Homebrew PCBs

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

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Re: [Homebrew_PCBs] most popular etchant?

2007-11-25 by Roland F. Harriston

DJ Delorie:

Seek out some stone masons or tilers in your area.
Or people who clean and paint concrete, like garage floors, etc.
I bet that they will turn you on to where they get
their Muriatic acid.

Roland F. Harriston, P.D.
***********************

DJ Delorie wrote:
>
> Unfortunately for me, it seems that up here (NH) it's seasonal.
> Nobody treats their pools or cleans concrete in the winter. Still
> looking, though.
>
>

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