etching solution

John P johnp at
Wed Mar 5 16:32:57 CET 1997

One little trick I used to use etching boards was to shine one of those
aluminum hooded lamps on the etching bath to warm it up.  That speeded
up the reaction, though you have to be careful that it doesn't become
too aggressive and start etching thru your traces too!

John P.

Saul Stokes wrote:
> I'm here to say I've reused the stuff ever since I bought it (Over two
> years now). It still works fine although it's a little slower. I'm
> keeping it until I die or until it's so thick with crap I can mix it with
> some concrete and make a sculpture out of it. Hell, if you wait long
> enough you can probably dump out the copper slop and recycle it:)
> Saul
> On Tue, 4 Mar 1997, Steven Varner wrote:
> > If you only etched one board I'd think you can reuse
> > it a few more times.  Just keep the stuff in some
> > kind of plastic reclosable container
> > (read:tupperware/rubbermaid) and keep using it for a
> > while.
> >
> > Steve
> >

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