Try distilling 4 litres (1 gallon) of tap water and see what is left behind. Now repeat that experiment with high quality bottled water. In my city (developed

Try distilling 4 litres (1 gallon) of tap water and see what is left behind. Now repeat that experiment with high quality bottled water. In my city (developed first world country) the tap water contains toxic repugnant chemical sludge.