Is it safe to use disinfectants as detergent with my Sun Joe SPX2100HH-SJG pressure washer? Yes, it is safe to use disinfectants as detergent with your Sun Joe SPX2100HH-SJG pressure washer, but you need to make sure that the pH of the disinfectant is neutral. Related articles What detergents can I use with my Sun Joe SPX2100HH-SJG pressure washer that won't damage it? Can I use disinfectants as detergent with my SPX2599-MAX pressure washer? Sun Joe High-Pressure Washer Hose Compatibility Guide How do I assemble my SPX2599-MAX?