Thirsti Still Water Is No Ordinary Water. Not To Mention Its Extraordinary Taste! Just One Look At The Natural Composition And You’Ll See That Thirsti Water Has Many Naturally Occurring Minerals Like Magnesium And Potassium. This Accounts For The High Level Of Total Dissolved Solids (Tds) In The Water, As Well As The Extraordinary Ph Level Of Up To 8.9. Simply Put, The Water Is Extraordinary!