Homebrew PCBs

Yeah, and my tank will hold up to 34 litres, and the Canadian chemical
supplier I found will sell me CuCl for $175/lb. Even 5 litres worth
would be beyond my means!

Grant

--- In Homebrew_PCBs@yahoogroups.com, Adam Seychell
<adam_seychell@y...> wrote:
> 
> 
> rolanyang wrote:
> > Umm.. you can buy Copper Chloride powder and mix it with water+HCl.
> > It's a lot easier and you can obtain a more accurate concentration
right away. 
> > http://www.techfreakz.org/cucl2/?slide=2
> > 
> > ~Rolan
> > 
> 
> Just think 5 liters of etchant at 150g/l of dissolved copper then 
> you'll need to 4.4 pounds of CuCl2.2H20 or 5 pounds cost you 
> 5*$39 = US$195 if you buy from http://www.artcraftchemicals.com