Kit
Municipal swimming pools smell like chlorine because of chloramines, not chlorine itself — that sharp smell is actually the chemical fighting off everyone's sweat and skin cells in real time. So the "clean pool smell" is basically the scent of a losing battle against a hundred strangers' bodies. Which means the nicest-smelling public pool is, chemically speaking, the dirtiest one working the hardest. Funny how effort announces itself as odor.