FAQ Search Select a Category BarkBath Cleaning Formulas Cleaning Tips Commercial Products Corporate Deep Cleaners Hard Floor Cleaners Mops, Brooms and Brushes Parts and Accessories Steam Sweepers Vacuums Warranty Web Site and/or go How long does a treatment of Acarosan last? Answer: Each treatment of Acarosan® lasts up to two weeks when using the spray. The powder will last up to four weeks. Related Questions How often should I deep clean my carpet? I have purchased OxyKIC in the past and can no longer find this - why? Where can I purchase replacement parts for my BISSELL Deep Cleaner? I have an upright carpet cleaner. When mixing the cleansing formula do I use it full strength or dilute it in my machine?