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Homebrew PCBs

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Re: Tried Hydrochloric Acid + Hydrogen Peroxide for etching - fantastic.

2014-04-07 by <npublici@...>

'Beauty shop suppliers,like "Sally's carry high percentage peroxide, also.I use it to remove bloodstains from clothing.40 0/0 will remove stains without harming the fabric,using just a drop..

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