Do toilets flush backwards below the equator?


Quick Answer

The direction a toilet flushes isn't determined by which side of the equator it's located. Water flow and toilet design causes the water to flow clockwise or counterclockwise.

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Do toilets flush backwards below the equator?
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Full Answer

The popular myth that the Coriolis effect causes draining water to flow in a particular direction is false. The Coriolis effect is caused by the earth's rotation, and it only has an influence on very large objects such as hurricanes. Water draining from a toilet, sink or bathtub is too small to be impacted by this phenomenon. The bowl design and the direction the water flows into a flushing toilet determines the rotation direction as it leaves.

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