Can I use disinfectants as detergent with my pressure washer? Provided your pressure washer has a stand-alone, detachable foam cannon, as is the case with the Sun Joe SPX3000 XTREAM, you can pour disinfectant, virucide, or other cleaning/sanitizing solutions into this foam cannon and use it to sanitize surfaces prior to rinsing them with your pressure washer. Related articles Does my SPX3000 pressure washer have a downstream or upstream detergent injector? What constitutes a "Heavy Duty Hose"? Why is there no detergent coming out? What size screws do I need to assemble my SPX3000®? Why is my SPX-FC34 not dispensing detergent?