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I've heard urine is sterile, the smell occurs because of bacteria that grows after it has been passed. The urinal cake in waterless urinals (and you'd think ev

I've heard urine is sterile, the smell occurs because of bacteria that grows after it has been passed. The urinal cake in waterless urinals (and you'd think even in the flushing variety) kill the odour causing bacteria and should stop any odours. I'm mot sure if this is true though.

jkahn 16y ago
The urinal cakes do kill the smell.
encoderer 16y ago
Agree that urinal cakes are the answer -- isn't the smell just chemical? Ammonia, etc? We have these at the office space my employer just built-out. Does have a slight stale-urine smell all the time.