You can purchase Muriatic Acid at any place that sells pool supplies. It is aqueous HCl. I don't know what concentration it comes in, but it's reasonably concentrated.
--- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan <stefan_trethan@...> wrote:
>
> I'm absolutely positive there's HCl to be bought in California
> somewhere. It's just a matter of finding the source.
>
> ST
>
> On Tue, Jan 19, 2010 at 5:52 PM, Lee Studley <indigo_red@...> wrote:
> >
> > Unfortunately, in California breathing air is considered a carcinogen.
> >
> >> 30~35% (wt) HCl is readily available as brick cleaner/ pool acidfier
> >> here in Australia. Even sold in 250ml bottles up to 20L drum at some
> >> local hardware stores. Its possible to remove some of the water, but not
> >> practical. Normally, dry HCl is produced in an oven and then dissolved
> >> in water until saturation, of which you get about 35% acid at STP.
> >>
> >> Adam
> >
> >
> >
>