Disinfection of Surfaces, Laboratory Equipment, Glassware soiled with Blood, Serum or Specimen. Disinfection after disposal of Body Fluids, Urine or Contaminated Effluent. Disinfection of dirty or slightly soiled heat, Sensitive Instruments (except plated metals) general laboratory use, Bedpans and General Environmental disinfection, hard surfaces in Kitchens such as Food Cabinets, Freezers, Fridges, Worktops, Sinks and Microwaves. Dilution can be made up for catering salad washers. Dilute at one tablet to a standard 30 litre sink. 200 x 1.7g tablets per tub.