HELPS ELIMINATE THE FORMATION OF SCUM LINES AND REDUCES FOAMING! Scum Ball absorbs oils, lotion and foam to keep pool or spa water clean. Just place Scum-Ball into your pool or hot tub to prevent scum lines and foaming. Place the Scum-Ball into a clean pool or spa to prevent scum lines and foaming.Absorbs 40 times its weight in body oils and lotions.Simply place the Scum-Ball into your pool or hot tub and let it go to work!When dirty, just clean and reuse!
Price: $13.49 from poolproducts.com