Todd wrote:
On 03/03/2014 02:07 AM, David Hare-Scott wrote:
Apparently Singapore uses re-cycled sewerage and the quality is said
to be better than from other sources. There are two reasons this
is not (yet) common: cost is one, many users having your reaction is
the other.


Exactly how is it they remove the pharmaceuticals and the
Gold Fish?

Layers of membrane filtration. They do have trouble with croodiles though.

D