This product is a powerful cleaner with a pleasant minty fragrance. It is non-acidic, non-abrasive and does not contain any harmful solvents. This biodegradable product will not harm porcelain, fiberglass, plastic, clothing, carpeting, plumbing or septic tanks. Use to safely clean toilets, urinals, sinks, tubs, showers, restroom partitions, ceramic tile walls and floors and other restroom surfaces. When used regularly this product prevents the formation of hard water deposits and uric acid salts.