Homebrew PCBs

dkesterline wrote:

> Hello,
> 
> I've been experimenting with toner transfer for a while now, and I'm 
> starting to see acceptable results. This group has been a great help 
> in my endevors.
> 
> I read some posts in the archives about recycling (revitalizing might 
> be a better word) Feric Chloride etchant.
> 
> As I read the instructions, using two iron nails as electrodes, run 
> about 1 amp through the solution. (more details would have been 
> helpfull)
> 

Another possibility is to use carbon anode, and it may reduce 
your ferrous ions to ferric ions , but don't put too much voltage 
that chloride gets reduced and chlorine gas. If you smell 
chlorine at any time, then reduce the voltage.

Adam