Dampp-Chaser Piano Humidifier Pad Treatment - 8 Ounce Size Bottle - Humidifier pad treatment is designed to reduce mineral build-up - Prolongs the life of your humidifier and pads - Helps to keep the watering tube clean and clear - Add one capful to water for each filling - 8 Ounce bottle Dampp Chaser Pad Humidifier Treatment Caution: Use ONLY Dampp-Chaser pad treatment in your Piano Life Saver System. Other types of humidifier treatment may contain chemicals that can harm your piano. The use of any other product will void the warranty on the Piano Life Saver System and may also void the piano manufacturer's warranty.