Krud Kutter Heavy Duty Cleaner Disinfectant gallon. Heavy Duty Cleaner Disinfectant is a ready-to-use, one-step, heavy duty cleaner combined with a fume-free disinfectant. It deodorizes and kills 99.9% of bacteria, viruses and germs. It also controls and inhibits the growth of mold and mildew on hard, non-porous surfaces without the use of bleach. Excellent for use on: kitchens, bathrooms and other household areas; Food preparation and storage area; Day care centers and nurseries, kindergartens and preschools.