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;)