Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping hybrid that's pretty impressive. However, it's expensive and is hampered by a clunky app with a steep learning curve. Drop a detergent sheet into the tank of clean water at the https://cleaning-robot-mop-and-va31924.vblogetin.com/33183292/the-reasons-best-rated-robot-vacuum-isn-t-as-easy-as-you-think