Gallon, Muriatic Acid, Plastic Bottle, Also Called Hydrochloric Acid, Fast Acting Cleaner For Brick & Mortar, Etches Concrete, Widely Used To Balance PH Of Swimming Pool Water, Strength/Concentrate Measurement: 18 Degree 28%, Read Label Carefully Before Use, Note: D.O.T. Hazardous Material Regulations Require Shipping In Full Case Original Cartons, Pallet Consists Of 144 Gallons, UPC: 0 76542 00056 3, Open Stock Item #209-221.