Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the robot vacuum market. It offers a sweeping/mopping hybrid that is pretty impressive. It's also costly and hampered by a cumbersome app with a steep curve. To mop, you drop a sheet of detergent into the base station's water https://best-robot-vacuum-and-mop60568.answerblogs.com/27858661/a-guide-to-best-rated-robot-vacuum-from-start-to-finish