Homebrew PCBs

Reasonable care must be taken fore sure.
The main things are to keep the concentrated HCl in a sealed bottle,
and you should run your CuCl tank with a relatively low HCl
concentration. Then you will not have any problems with fumes or
rusting.

ST

On Mon, Jun 29, 2009 at 12:47 AM, Simao Cardoso<simaocardoso@...> wrote:

> I also have bad stories with having CuCl etchant and HCl on the self on
> the same room as hundred of tools and an CNC router 'in construction'.
> Lets say you need to have very careful with your containers and
> phosphoric acid can give a nice look again to your tools but can't give
> back the polish of expensive  CNC parts. Ventilation and sealed
> containers are mandatory.
>
>