Robarb™ Tile Buster® Pool Tile Cleaner, 32 Oz.
Robarb -- Professional Strength, Multi-Acid Gel Cleaner Quickly Removes Tough Scale, Stains and Oil From Concrete, Tile and Vinyl Liner Pools. Clings To Brush Or Sponge. 32 Oz. Packed 12 Per Case, Sold Each.