Why do some restaurants fill their urinals with ice?

Three reasons:

1. It provides a slow, constant flush
2. It gives guys a target to aim at which is not only fun but has been proven to reduce spillageThree reasons:
   1. It provides a slow, constant flush
   2. It gives guys a target to aim at which is not only fun but has been proven to reduce spillage
   3. Cold air is denser, so sinks. This keeps some odor in the urinal well, reducing odor in the rest of the bathroom.
3. Cold air is denser, so sinks. This keeps some odor in the urinal well, reducing odor in the rest of the bathroom.