On Sun, 15 Nov 2009 00:52:08 +0000, Gordon H wrote:

It's a dreadful waste of drinkable water to flush a cistern full with
every pee.

If it's yellow, let in mellow.
If it's brown, flush it down.

We tend to do that as more water that is really required goes into
the septic tank.

--
Cheers
Dave.