Homebrew PCBs

How about using copper sulfate in chimney cleaners instead of copper hydroxide? I think they also often contain TSP, aka TriSodium Phosphate.

Steve Greenfield AE7HD

--- In Homebrew_PCBs@yahoogroups.com, kabowers@... wrote:

> This is often considered the best writeup on the subject.
> He mentions starting with HCl, Cu, and H2O2, but I've never
> found a copy where he completed that section
>  He does cover starting with HCl, Cu and air.
> 
> href="http://techref.massmind.org/techref/pcb/etch/CuCl2.htm"
> 
> Keith Bowers WB4LSJ- Thomasville, NC
>