Narwal Robot Vacuum and Mop Narwal is a relative newcomer in the market for robot vacuums. It's a sweeping/mopping hybrid that is pretty impressive. It's expensive and hampered by a cumbersome, slow learning curve application. Drop a detergent sheet into the clean water tank at the base station to mop. https://automatic-vacuum-and-mop11583.get-blogging.com/28162507/an-guide-to-best-rated-robot-vacuum-in-2023