For use in schools, motels, hotels, manufacturing plants, office buildings and food handling establishments. Use only on surfaces not harmed my mild abrasives such as porcelain, metal, enamel, stainless steel, pots and pans, urinals, rubber, plastic, sinks, bathtubs, chrome, drinking fountains, ceramic tile, Formica and fiberglass. Excellent for removing rust, soap scum, stains, grease and hard water minerals.