Subject: Re: [Homebrew_PCBs] Substitute for Sodium Persulphate
From: duwaynes@... Date: 2016-05-29
I use the Muriatic Acid, Hydrogen Peroxide mixture with 12% Peroxide from a beauty supply store with good success. If you do not want to use the HCL, another solution that is sometimes used is a mixture of Hydrogen Peroxide, Vinegar, and salt. A short video of this at …still messing with forces I don’t understand – the formula.
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