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Subject: Re: [Homebrew_PCBs] Newbie questions

From: DJ Delorie <dj@...>
Date: 2007-04-11

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?