Roland F. Harriston wrote:
>
> I have no problem whatsoever purchasing Muriatic acid from Lowes, Home
> Depot,
> Ace Hardware, Safeway, Fry's, or any other super market. In southern
> Arizona (as in other venues)
> Muriatic acid is an everyday household chemical used in swimming pools.
> The stuff is 20 Baume.
> Usually sells for about 3 bucks a gallon in two-gallon cartons.
>
> Hydrogen Peroxide is easily obtained from Walgreen's Osco, CVS, or any
> other drug emporium.
> The domestic stuff is 3%. About 79 to 89 cents per quart.
>
> You will not be "carded" when purchasing these materials in the USA.
>
> Both concentrations are more than adequate to etch copper.
>
> On the Continent and in the U.K. there might be some problems in
> obtaining these materials
> if you are not a professional who requires them in the course of your
work.
> At least, that is what I have been told.
>
> Have we not gone through this at least a hundred times previously??
>
> Roland F. Harriston, P.D.
> ∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗
>
>
> I picked up the materials no problem, I just wanted to make sure it
> worked for etching. Sounds like it does. I read misleading info on the
> mix though. One place says 1 to 1 and another says 1 part Muriatic to
> 2 parts Hydrogen Peroxide. Which is correct or best?
>
Thanks,
Dave
> _,_._,___