Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping hybrid that's pretty impressive. It's also costly and hobbled by a clunky app with a steep learning curve. Drop a detergent sheet into the tank for clean water at the base https://robotvacuumthatvacuumsand30076.articlesblogger.com/50684075/why-best-rated-robot-vacuum-is-harder-than-you-think