LeisureTime Renew 2.2lbs P/N: RENU2 Renew is a non-chlorine shock treatment. This fast-dissolving granular rids spa water of residual soaps, deodorants, natural oils and organic materials that can build up in spa water. When Renew is added to the spa water, it reacts with the bromide and forms a bromine solution to destroy any microorganisms left behind by the bather. Part of the Reserve & Renew Chlorine-Free Sanitizing System. Features: Quickly dissolves in water to rid spa water of oils and residue. Eliminates organic materials that cause odors, skin and eye irritation. Use spa minutes after application. pH buffered so it does not effect pH level. Buffer potassium monopersulfate compound Formulated with DuPont Oxone Applications: After Each Use: 1. Turn on filtration system. 2. For each 250 gallons of water, add 2 ounces directly into spa water. 3. Run filtration system for 15 minutes with cover off. 4. Repeat process once a week to help maintain clear, odor-free water. Tips: The time to add Renew is after using the spa. Simply add the required dose, put the cover in place, and the water will be fresh, clean and ready for the next bather. Compatible With: Chlorine, bromine, ozone and mineral purifications systems, as well as part of the Reserve & Renew System.