Homebrew PCBs

derekhawkins wrote:
>>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.

When i got my 30 litre bottle of FeCl, i found the common name for
it is Profloc-F, and it is used in large quantities to treat sewer,
probably as a floculating agent. Compared to hobby store prices, it
was cheap as all sh*t;)