Homebrew PCBs

On Fri, 10 Nov 2006 19:27:47 +0100, Leon Heller  
<leon.heller@...> wrote:

>
> That's not anhydrous FeCl3. I had some of the anhydrous stuff many years
> ago, it's a black powder. It was some years old when I got it cheap,  
> sealed
> in double polythene bags.
> Leon


But what is the advantage of anhydrous ferric chloride?

ST