A mildly acidic detergent cleaner/sanitizer for most bathroom and washroom applications. Where to use On all water and acid resistant substrates, including glass and all conventional plastic and ceramic bathroom and washroom fixtures and fittings, shower curtains, trays, etc. It is particularly useful for maintaining cleaned surfaces against hard water deposits, and body greases. Where not to use Vitreous surfaces including enameled baths. On gold plated fixtures and fittings. On horizontal areas where retained residues my cause a slippery surface. On cementitious or decorative marble substrates. Always assess on an inconspicuous area prior to use.