Call 952 223 0061 - Is Coffee Acidic or Alkaline - Yes Coffee is as highly acidic as you can see like any Soda .So if you are taking a free trial of Kangen water and drinking even a cup/glass of Coffee , your body tissues are still acidic and it will be difficult for the body to heal itself.So during your trial; keep of coffee, soda pop, certain wines, certain beers,vitamin water, gaterade .