why does the color of pee change when you're dehydrated?
It doesn't; it changes when you're hydrated.
Why does coffee or tea get darker the more you brew it?
It must be the urea building up right?
Answer : https://www.frontiersin.org/articles/10.3389/fnut.2020.576974/full
The archetypal "confidently incorrect" Internet user right there.
Then don't post.
It doesn't; it changes when you're hydrated.