Homebrew PCBs

On Tue, 11 Jul 2006 21:42:02 +0200, fenrir_co <fenrir@...>  
wrote:

>
> Recycle: buy 40 volume peroxide, put etchant inside a heat-proof
> container (a #2 plastic 5 or 2.5 gallon bucket) inside another
> container (another bucket), add very slowly while stirring. 32 oz
> peroxide per 2 gallons of etchant, divide quantity as needed. Watch
> for foamup and overheating. Add a cup of pool acid every two or three
> regenerations. Leave uncovered on a hot day to evaporate and
> re-concentrate, not a 100% necessary step.


I still think you are actually adding CuCl to your FeCl instead of  
regenerating it?
Or where is the iron coming from/the copper removed?

What peroxide concentration are you using for this?

ST