Homebrew PCBs

On Tue, 03 Oct 2006 22:23:25 +0200, Leon Heller  
<leon.heller@...> wrote:

>
> I tried HCl once, it doesn't work! I've also tried bleach (chlorine) and
> H2O2 and they didn't work, either. I remember reading in an old book  
> when I
> was a kid that oxalic acid was useful for removing rust stains, this was
> long before PCBs were invented.
> Leon


phosphoric acid is also used to remove rust, maybe it works? Try coca cola.

ST