Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Alessio Sangalli <alesan@...> wrote:
>
> On 06/01/2010 02:12 AM, WestfW wrote:
> > I store the CuCl/Acid/H2O2 mix in the gallon jar that the HCl came
> > in; it has all sorts of warnings about having a vented (possibly
> > spillable) cap, which is basically what we want, right?
> 
> Do we? Are you saying it is necessary to have a vented cap?
> 
> bye
> as
>

It's a good idea. I usually leave the cap just slightly loose on the bottle I store my etchant in. I sealed it tightly once and the next time I went to use it the bottle was bulged out all over and let out a good hiss when I opened it.