Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

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Subject: Re: [Homebrew_PCBs] First PCB

From: DB Express <dbxprss@...>
Date: 2007-01-10

----- Original Message ----
From: James Washer <washer@...>

Was the H2O2 you used the common over-the-counter drugstore variety (~3%) or the more concentrated (and very dangerous) lab supply kind.

- jim


--------------------

3% solution, as sold in drug stores.

Nels



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