Dampp Chaser Piano Humidifier Pad Treatment 16 Oz Bottle Dampp-Chaser Piano Humidifier Treatment - 16 oz. Bottle Humidifier Treatment designed to reduce mineral build-up Prolongs the life of your humidifier and pads Helps to keep the watering tube clean and clear Save money and time by purchasing this 16 oz. bottle--the largest Dampp-Chaser makes