Narwal Robot Vacuum and Mop Narwal is an relative newcomer to the robot vacuum market. It's a sweeping/mopping hybrid that's pretty impressive. However, it's expensive and hampered by a cumbersome app with a steep learning curve. Drop a detergent sheet into the tank for clean water at the base station https://vacuummopcleanerrobot06009.bloguetechno.com/the-top-eufy-robot-vacuum-that-gurus-use-3-things-63230620