Homebrew PCBs

>I found that FeCl saturated with copper is *highly* toxic to grass

Ah well, that eliminates just throwing it out the back door in my case. 
Wife would have a fit.

>so flushing some used etcher occaisonally will keep
>your dunny flushing;)

Even some HazMat agencies seem to recommend just that provided the 
amounts are a gallon or less. Found that hard to believe at first.