Homebrew_PCBs

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> FeCl also works best Heated. I would really recommend the Cupric Cholride, it works great. I use to use FeCl but now that I use Cupric Cholride I'll never use FeCl again. Cupric Cholride also does great just at room temp. so no heating.
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> Ben
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I found cupric chloride to be very slow at room temp, it benefits from heating even more than FeCl. HCl + peroxide certainly works fine at room temp though, until enough of it converts.