Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the robot vacuum market. It's a sweeper/mopping hybrid that is pretty impressive. It's expensive and hampered by a slow, clunky learning-curve application. Drop a sheet of soap into the clean water tank at the base station to clean. Then, https://cleaningrobotmopandvacuum06102.wssblogs.com/27718366/ten-things-everyone-misunderstands-about-the-word-best-rated-robot-vacuum