What other detergents are safe for k archer pressure washers

Hello from Karcher and thank you for your question! You can use your cleaning detergent of choice with Karcher Pressure Washers. However, please note that we do not recommend using detergents that contain corrosive properties (i.e. bleach, chlorine, liquids containing solvents, tri-sodium phosphate products, ammonia products or acid-based products) with your machine. Kind regards, Karl from the Customer Care Team.