It’s a hot summer day, and you just got in from a refreshing run – listening to your favorite song, keeping a steady pace, sweat trickling down the side of your face. You could really use a nice, tall glass of water, so you head over to the kitchen sink and fill up a glass. As you eagerly gulp down every last drop, you probably do not stop to ask yourself what chemicals are used to treat the water. Perhaps, we can persuade you to give it a second thought.