Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping combination that's impressive. It's expensive and hindered by a clunky, steeply learning curve application. To mop, drop a sheet of detergent into the base station's clean water tank. Then it wands https://robot-vacuum-cleaner-blac60074.digitollblog.com/27498893/the-most-popular-best-rated-robot-vacuum-it-s-what-gurus-do-3-things