16oz Stainless Steel Cleaner This is a phosphoric acid-based stainless steel cleaner.  Features: * It removes rust staining and surface corrosion from polished marine-grade stainless steel  * Shelf Life at 23 degrees Celsius is 24 months  Specifications: * pH Value: 1.0 * Size: 16oz bottle * Contents: Contains non-ionic surfactants < 5%  * Recommended Applications: A brush is recommended, but cotton, a rag, or a sponge may be used Recommended Use Used for cleaning rust staining and surface corrosion from polished marine-grade stainless steel. Surface Preparation Apply the product to the area to be treated. Allow it to work for up to 30 minutes. Rinse well with fresh water and a sponge. Pre-treatment Clean with detergent. Storage This product must be stored in accordance with national regulations. Keep the containers in a dry, cool, and well-ventilated space away from sources of heat and ignition. Containers must be kept tightly closed. Handle with care.