Eli5: after having a number 2 the toilet will stink. In the morning it doesn’t stink anymore. Where does the stink go?

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Eli5: after having a number 2 the toilet will stink. In the morning it doesn’t stink anymore. Where does the stink go?

In: Chemistry
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Info: assuming you flushed?

That stink is a combination of gases. Over time, those gases spread out into the atmosphere, where they’re slowly destroyed by sunlight and various natural processes. Some of them also stick to surfaces, especially fabrics, for a while and slowly reenter the air.

Generally speaking domestic rooms aren’t airtight; it tends to make them stuffy/lethal. Air and the smells floating around in it will circulate around the house/apartment and dissipate as it does so.

As said, you’re smelling the gases/initial smell of the poo as it’s leaving your booty.

If you look at the designs of toilets, they’re designed so that water is sitting in the bottom portion all the time so that the smells from the pipes/sewage don’t come into your home. So once a poo is underneath the water the smell will no longer come from there.

Kinda like cutting an onion under water prevents the fumes coming up and irritating your eyes.

There’s a terrible truth I haven’t seen mentioned yet.

If you can smell something, there are particles of it in your nose. (Think of that next time you pass a potra-potty.) When a smell goes away it means those particles have disipated enough that your sense of smell can’t detect them anymore.