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May 07 2015

home made PCB etching chemical (safe)

Category: PCB — dq @ 1:36 PM

http://hackaday.com/2011/03/03/simple-pcb-etchant-made-from-chemicals-you-can-put-in-your-mouth/

http://www.stephenhobley.com/blog/2011/03/02/still-messing-with-forces-i-dont-understand-the-formula/

Vinegar – Distilled White Vinegar – diluted with water to 5% acidity (Meijer)
Peroxide – 3% solution (Meijer)
Salt – to taste. (Just keep adding it until the “fizzing” continues all by itself).

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