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. It's also costly and hampered by a cumbersome application with a steep learning curve. To mop, drop a sheet of detergent into the base station's water tank that https://robot-vacuum-that-vacuums40109.blogdigy.com/10-best-rated-robot-vacuum-tricks-experts-recommend-41575901