Ernest Christley wrote:
Getting ferric chloride from Radio Shack is getting problematic. Is
there a common household chemical that I can use for etching a circuit
board or two? I seem to remember Jim Weir having an article about how
to do it in the not to distant past, but I can't find anything about it
in my back copies of Kitplanes.

You're thinking of this post:
http://groups.google.com/group/rec.a...+circuit+board

Scroll down for Jim's response to RS Hoover's intial post. Muratic
acid and Hydrogen Peroxide.