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 Why do I need Acarosan? Answer: Dust mites are the #1 cause of indoor allergens. In order to control dust mites and their re-population, it is important to use the Acarosan® spray and powder on a regular basis. Related Questions Why is OxyPRO dual chambered? My Self Propelled ProHeat machine sprays continuosly. How can I correct this problem? Can I use Little Green or Little Green Pet Formula in my full-sized Deep Cleaner? How do I use the 2X concentrated formula?