Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping system that's impressive. But it's also expensive and hampered by a cumbersome app with a steep learning curve. To mop, you place an ointment sheet into the base station's water tank https://moprobotvacuum54699.dgbloggers.com/28076455/what-is-eufy-robot-vacuum-and-how-to-use-it