Food Contact Surface Sanitizer eliminates 99.99 percent of bacteria in 60 seconds in 500 parts per million hard water. Use on hard, nonporous surfaces, including food preparation and storage areas, dishes, cooking utensils, chopping blocks, coolers and refrigerator bins used for meat, vegetables, fruit and eggs. Thoroughly wash objects with good detergent, followed by a potable rinse before application of sanitizing solutions. FCS can also be used on equipment. Allow surface to remain wet for 60 seconds.