Narwal Robot Vacuum and Mop A relative newcomer to the robotic vacuum market, Narwal offers a sweeping and mopping hybrid that's pretty impressive. It's costly and is 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://robots-that-vacuum-and-mo52635.blogitright.com/27788928/the-most-popular-best-rated-robot-vacuum-gurus-are-doing-three-things