Narwal Robot Vacuum and Mop Narwal is a relative newcomer in the market for robot vacuums. It's a sweeper/mopping hybrid that's quite impressive. But it's also expensive and hampered by a cumbersome app with a steep learning curve. To mop, drop a sheet of detergent into the base station's clean https://vacuummoprobotcleaner33321.thezenweb.com/10-unexpected-eufy-robot-vacuum-tips-65539344