Homebrew PCBs

Sorry, I figured everyone had taken care of their ventilation 
problems. I cant etch without proper ventilation, I want to 
live ........... one breath of the stuff and I went to work outside.
That stuff WILL kill you. My suggestion is First take care of the 
ventilation before you etch another board with any process.



 --- In Homebrew_PCBs@yahoogroups.com, Adam Seychell <a_seychell@...> 
wrote:
>
> James McGee wrote:
> > 
> > 
> > Maybe I'm a little out of sync with the conversation, but my first
> > thoughts involve air and suction. like a siphon feed on paint 
guns and
> > sand blasters. a valve to control air flow, two plastic pipe 
joining at
> > a slight angle to form the suction. a tip for the spray pattern. 
Sort
> > of a large version of the cheap plastic model car airbrushes.
> > Any thoughts?
> > 
> 
> You might have a few ventilation problems. Remember , your not 
spraying 
> water on the garden. Such volume of air will force very undesirable 
> amounts of etchant mist out of the spray chamber. The etchant must 
be 
> contained. I'm not even going to ask if you were thinking of 
spraying 
> out in the open.
> 
> Adam
>