Homebrew PCBs

Russell Shaw <rjshaw@...> writes:
> > Are the chemicals rather tame these days too?
> 
> Dilute Na2CO3 (from pool shop), and dilute NaOH.

But are they tame?  I mean, do they outgas during use, do I need vent
fans, special cleanup rules, etc?  FeCl is messy, but not "dangerous"
that way, and it doesn't go bad if I don't use it for a while.

> > I wouldn't mind trying out photoetch, but I'm not a big fan of
> > having lots of chemicals in the house.
> 
> Then stop eating and cleaning;)

:-)

That reminds me, I still have some sulfuric acid kicking around from
many years ago.  Is that at all useful in pcb making?