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nope, Mark Rober did a video on this. It's urine and sweat.

• deleted 6y ago
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• kortilla 6y ago
  nope, had a pool at my house in California that I never peed in and wouldn’t use sweaty. Distinct chlorine smell.
  • deleted 6y ago
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  • coldtea 6y ago
    We can also just drop some drops of chlorine in a bucket of clear water. It smells. Not sure what the vlogger was exactly testing. Perhaps the "left them sit for 3 days" part, had the chlorine he put dissipate into the air and lose the smell?