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Why is it that when you piss in a plastic bottle, the plastic scrunches inward, like air is being depleted inside?
Why does a chalky white residue form at the bottom of a plastic bottle after some time with using a piss bottle?
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>implode
I've never encountered this but probably because piss and the little bit of air in the bottle cools after you seal it, resulting in a drop in pressure.
>Chalky white residue?
You're angling for a kidney stone with the level of mineral content you're sporting there. Get a water filter.
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Piss is hot, and when it cools the airspace shrinks.
Salts precipitating out of solution.
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>>9147358
This guy gets it, basic thermodynamics OP. Gases condense as temperature decreases, additionally solubility decreases as temperature decreases, causing the salts to fall out of solution.
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It could also be settled bacteria.
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>>9147357
>I've never encountered this but probably because piss and the little bit of air in the bottle cools after you seal it, resulting in a drop in pressure
the bacteria eat all the air and make it cloudy
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