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

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Subject: Re: Hydrogen Peroxide Source

From: "designer_craig" <cs6061@...>
Date: 2011-05-06

Is that 30 Volume or 30 percent? When I looked it was 30 and 40 Volume. I think 30 Volume is around 10 or 12%.

Craig

--- In Homebrew_PCBs@yahoogroups.com, Norm <w6nim@...> wrote:
>
> Got mine from a professional beauty supply store (for hair coloring) -
> 30% or so, $5.00 per quart.
>
> Norm
>