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Apr 14, 2008
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Comment: you can also get Cu(OH)2 by using a copper electrode. When you have enough Copper Hydro…
Comment: or you could use Bromtheyml blue which is a Co2 detector
Comment: I am surprised thats Peda nut has not blown this Instructable out of context when you b…
Comment: dude thanks this is a great forge and cheap too.