Homebrew PCBs

> I am finding it difficult to obtain > 3% H202 myself, and since the only purpose of H202 is to generate oxygen, I would very much like to know how to generate ozone instead, as I believe it's a much stronger oxodizing agent?
> 
> Also - I meant to ask everyone: is heating HCl + H202 or CuCl2 etchant useful the way it is in case of FeCl3 or is it simply a misconception?
> 

I normally use a air pump to pump air into the tank.

Try a Beauty Supply for stronger than 3%.


Ben