The Solutions Group sun sorb absorber to 40 times its weight in body oils & suntan lotions, & also attracts pollen. It improves filtration considerably. When placed in a clean pool, spa or hot Tub, the sun sorb helps to stop the formation of a scum line. It covers a large surface area that will not get clogged in the water lines. The sun sorb is non-toxic & helps eliminate the need for chemicals.