Homebrew_PCBs

On 12/05/2012 14:41, Randall Morgan wrote:

> Yes, I've heard that said. I have kept it a couple years without issue as
> long as it is well sealed. So I would be curious to know the actual
> concentration of Radio shack's product. The bottle does not say.... The M.
> G. Chemical product worked much better.

I use these packs of FeCl3 and make the solution up myself according to
the instructions:

http://www.rapidonline.com/Tools-Equipment/Seno-Ferric-Chloride-PCB-Etchant-250g-for-1-2ltr-34-0388

Leon
--
Leon Heller
G1HSM