Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Leon Heller" <leon_heller@h...>
wrote:
...

>
> Are you heating it? CuCl2 needs to be warm to work properly.
>
> Leon

Is that a good idea? HCl has a bp of around 50C. I dont think HCl
vapor is a good thing to have around.