I had some at a hospital when waiting for my wife to get checked out. So I found some recipes on the net. This one is lemon, lime. cucumber and ginger cut up in slices. You just let what you add seep into the water, you can keep adding water to it when you drink some. It gives the water a nice flavor and adds vitamins and good things to the water with out much calories, some recipes say no calories. It is a way of getting us to drink more water and less juice. The cucumber in it is good, who would have thought.