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Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

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Re: Hydrogen Peroxide Source

2011-05-06 by designer_craig

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
>

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