Absorbs oils and lotions from spa water thereby reducing foaming and prolonging hot tub replacement filter life. Removes Scum from the hot tub water surface When your Scum bug is dirty, just clean with mild detergent and rinse thoroughly The Scum bug will improve your hot tub water filtration and help to reduce the formation of scum lines in your hot tub, swimming pool & swim spa! Simply float in the skimmer of your pool or spa hot tub and let the scum bug do the work for you.
