You get home from a long day of work and you want nothing more than to relax in your hot tub, but what is that nasty film on the surface! Don’t let scum from body oils and lotions ruin your relaxing hot tub experience — pick up a two-pack of Scumball from MasterHotTubParts.com to remove all those nasty oils that create an unsightly scum line and clog your filter.