Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the robotic vacuum market. It's a sweeping/mopping hybrid that's pretty impressive. But it's also expensive and hampered by a cumbersome app with a steep curve. To mop, you place a sheet of detergent into the base station's water tank https://automaticvacuumandmoprobo23017.weblogco.com/27757377/why-eufy-robot-vacuum-is-more-difficult-than-you-imagine