Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping combination that's impressive. But it's also expensive and hobbled by a clunky app with a steep learning curve. To mop, you place a detergent sheet into the base station's water tank https://vacuum-mop-cleaner-robot65264.jts-blog.com/27254495/eufy-robot-vacuum-tips-from-the-best-in-the-business