The ultimate water-saving toilet?
Here from Caroma is the next logical step for your bathroom – grey water from the sink flows directly to the toilet tank, so nothing is wasted.

Caroma Profile Smart Dual Flush
From a practical point of view, it’s pure genius. As a designer, I’d like to see one simple change – the basin needs to be offset to one side or the other, so that you don’t have to reach over the toilet bowl to wash your hands or clean your teeth.
Via Inhabitat
[...] could be an ideal drain design to work with the Caroma water saving toilet I talked about in an earlier post. It would certainly improve the aesthetics and [...]