SpaBoss Prevent II

SpaBoss Prevent II Prevent II by SpaBoss is a weekly stain and scale treatment that is multipurpose in helping to remove scale formation on hot tubs and spa equipment. Prevent II also acts as a clarifier if added weekly. - Comparable to Arctic Pure Best Defense, Spa Guard Stain and Scale Control, Dazzle Stain and Scale , Spalife Secure, Beachcomber Care Free Eliminate, Rendezvous Protect Plus, Leisure Time Defender, and Essentials Stain & Scale Control. HOW TO USE: - 4 oz /500 Gallons on fill up - 2 0z/500 Gallons weekly