How much urine does your local swimming pool contain?

Canadian study confirms squeamish swimmers' worst fears

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(Image credit: SOPHIE MIGNON / Getty)

Sneaky swimmers add around 75 litres of urine to their local swimming pool every two weeks, according to a new study.

The eye-opening findings come from Canadian researchers, who monitored two public pools for a fortnight to see just how often swimmers were indulging in the ultimate pool taboo.

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