This is a beautiful 20 page color booklet written by Dr. Peggy Parker, one of the foremost experts on Ionized water. The booklet is filled with photos and descriptions of how you use 2.5pH and 11.5 pH all around the house It shows and tells about cleaning, sanitizing, uses in the garden, on glass, in the laundry, dishwasher, and many more uses you've never thought of.