Homebrew PCBs

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
> _,_._,___