Pressurized Cleaning Bottle – D System – 1.3 Gallon For American Sankey. Cleaning the lines is as simple as “tapping a keg. 1) Remove cleaning bottle cap. Make sure dip tube is attached to bottle cap, if not hold under hot water before applying to cap to prevent tube from splitting. 2) Mix warm (not hot) water and detergent per manufacture’s instructions on container 3)Place bucket under dispensing tap