When properly placed in the skimmer, the Water Bobble, removes contaminants right off the surface. Stopping the Bacteria laden Dead Skin, Body Oil, Makeup, from going round & round, within your circulatory system. The majority of the Dead Skin, will collect on the Zorbie, rather than congeal on your filter and the acrylic on your hot tub. 
 
Key Benefits
Removes Body Oil and Makeup
Removes Foul Odors beneath the Spa lid
By removing the dead bacteria laden skin, pH is easier maintained