Spa Refresh Water Freshener and Moisturizer is the perfect treatment for the Spa and Hot Tub to combat all the effects Chlorine and other chemicals create. Spa Refresh adds a skin moisturizer into the water so when you get out, your skin feels soft and moisturized. It will also mask chlorine or chemical odors, while staying ph Neutral without clouding, foaming or changing water chemistry. Add weekly or after each water treatment to keep your Spa or Hot Tub Fresh all year long. Now Available in “Tropical” scent! Use 2 fluid ounces for every 500 gallons. Each bottle contains a 4-week supply for the average size tub.