No hard feelin’s whatsoever, SleepyDuck.
But if you ever make it down this way, I’d be happy to share.
Cheers
Y’know Dave Sim publishes under ‘Kitchen Sink Press’
That’s what the spoon is for. 
If water conservation is paramount, you could hook the sink drain to a urinal, using the hand-washing waste water to flush the urinal. But I don’t know how feasible that would be.