CLR Calcium, Liquid, Lime Green, Odor/Scent: Slightly Acidic, Net Content: 42 oz, Compositions: Acid Blue #1, Gluconic Acid, Lactic Acid, Lauramine Oxide, Tripropylene Glycol n-Butyl Ether, Water, Yellow #5, Boiling Point: 210 deg F, pH Range: 2.1 to 2.3, Applicable Materials: Chrome, Fiberglass, Porcelain, Stainless Steel, Stucco