water and baking soda. Make a paste, rub a bunch. They'll clear right up. The UV coating sounds like it might extend the time between massages. Here's a video to help explain everything for you.
“You never need fear a man, no matter what his size. When danger threatens, call on me, and I will equalize.” Samuel Colt.
�Common sense is genius dressed up in work clothes.� - Ralph Waldo Emerson