Narwal Robot Vacuum and Mop Narwal is a relative newcomer in the robotic vacuum market. It offers a sweeping/mopping hybrid that's quite impressive. However, it's expensive and is hampered by a clunky app with a steep curve. To mop, you place a detergent sheet into the base station's water tank https://top-rated-robot-vacuum66138.dailyhitblog.com/33082044/the-reason-why-best-rated-robot-vacuum-has-become-everyone-s-obsession-in-2023