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Mild phosphoric acid-based lime scale and film dissolver. Formulated for quick & easy removal of any type of mineral deposit or film. Eliminates the need for an abrasive cleaner. Colorless/Odorless/pH: 1.5/ USDA: A3/ NSF listed/Kosher. Uses: descaling dishwashers, removing film from ceramic, porcelain enamelware, glassware, coffee urns, aluminum and stainless steel cleaning.