Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the market for robot vacuums. It's a sweeper/mopping hybrid that is pretty impressive. It's also costly and hampered by a cumbersome app with a steep learning curve. To mop, drop an ointment sheet into the base station's water tank https://best-robot-vacuum-for-har53719.is-blog.com/33952203/10-unexpected-eufy-robot-vacuum-tips