One Cyprapid Scum oil-absorbing sponge absorbs an amazing its weight in scum, grime, slime, bugs, sun tan oil and all types of lotions.
Simply place the Scum Stars in your pool's skimmer (fits all) or free-float in your spa. When 1 side is scummy, flip it over.
When saturated, squeeze out, clean and reuse.
The Scum Absorbing Sponge improves filtration and helps to eliminate formation of a scum line,prolongs the life of filters.