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 costly and is hindered by a slow, clunky learning curve application. Drop a sheet of soap into the tank of clean water at the base https://automatic-vacuum-and-mop95942.theblogfairy.com/27397278/a-guide-to-eufy-robot-vacuum-from-start-to-finish