Honda Civic Picture by k.yepes | 31257466 |

step 8 - I use a 3:1 ratio of hydrogen peroxide and muriatic acid to etch the boards. The solution eats all the copper that isn't protected by the toner.

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k.yepes October 14, 2023

step 8 - I use a 3:1 ratio of hydrogen peroxide and muriatic acid to etch the boards. The solution eats all the copper that isn't protected by the toner.

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