When you push the handle down, the pivoting motion lifts the brass arm inside the toilet ... For example, dual-flush toilets usually come with two flush buttons at the top of the tank.

You can flush the toilet after an hour. The tank will fill with clean water. You may want to flush it a second time. The inside of the tank may be stained from years of bacteria growth ...

On average, a household using a dual-flush toilet properly can save up to 20,000 litres of water every year. That’s like saving over 100 full bathtubs of water annually– just by choosing the ...