waterandhealth.org

jGWQ TIL that John L. Leal was put on trial for adding sodium hypochlorite - chlorine’s predecessor and considered poisonous - into the water supply of a chemophobic Jersey City in 1908, but was vindicated after the move practically eradicated typhoid.
jMAX TIL the chlorine “smell” in pools is due to the chemical’s reaction with impurities…like poop….