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Oct13-11, 05:36 PM
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P: 7,293
Quote Quote by marcus View Post
Something I heard about from Europe: Toilets with two distinct flush modes.
One mode uses less water. That seems reasonable. I have no direct experience and don't know how much the better-engineered more efficient units cost.
You can get "retrofit kits" to modify existing toilets quite cheaply. Google says they are available in the USA. The basic idea is the flush handle operates in opposite directions for full and half flush.

The cheapest version of this is just to reduce the volume of the header tank by putting a few bricks in it, and then flushing twice when you have to!