Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the robotic vacuum market. It offers a sweeping/mopping hybrid that is pretty impressive. It's expensive and hindered by a cumbersome, slow learning-curve application. Drop a sheet of detergent into the clean water tank at the base station to clean. https://goodrobotvacuum58384.blog2learn.com/75849700/what-best-rated-robot-vacuum-you-ll-use-as-your-next-big-obsession