CRL Water Spot Remover - Gallon,C.R. LAURENCE,C2020" /> CRL Finally Solves the Problem of Water Spotting From Sprinklers, Hard Water Sources and Exposure to Acid Rain Available in Gallon and Quart Sizes Removes Alkaline Residue, Chemical and Mineral Deposits From Uncoated Clear and Float Surfaces (Typical Stage I Corrosion)