Narwal Robot Vacuum and Mop Narwal is an relative newcomer to the robotic vacuum market. It's a sweeping/mopping hybrid that's quite impressive. It's also costly and hobbled by a clunky app with a steep learning curve. Drop a sheet of soap into the tank for clean water at the base https://robotvacuum57239.theideasblog.com/28130536/the-best-place-to-research-best-rated-robot-vacuum-online