Rola-Chem Scumbug Oil-Absorbing Sponge TB-1-24 absorbs 40 times its weight in suntan lotions. Rinse and reuse. Prevent the formation of a scum line in your pool or spa. Prevents scum lines, cloudy water, and clogged filters. Super absorbent floating water clarifier. Collects contaminants that cause scum build up. Compatible with all pool sanitizers. Developed using technology constructed to clean up ocean spills.