https://dentistoffices.info/the-effects-of-drinking-untreated-water-on-your-teeth-and-health/ There might also be other chemicals from water that is untreated that can result in discoloration. By way of example, if your drinking water source is still high in iron, then it may leave reddish-brown stains on your fixtures. If you always drink untreated drinking water that has high iron within it, then your…