Can I use disinfectants to clean with my SPX3160 pressure washer? Yes, but make sure to use a disinfectant with a neutral pH. Using a disinfectant with a non-neutral pH can damage your pressure washer. Avoid disinfectants with acidic or alkaline pH. Related articles Does my SPX3000 pressure washer have a downstream or upstream detergent injector? How do I assemble my SPX3000® Pressure Washer? What detergents can I use with my SPX3160 pressure washer? Can my SPX2690-SJG unit be connected to a portable water supply? Are there recommended detergents to use with my pressure washer?