Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the robotic vacuum market. It's a sweeper/mopping hybrid that's pretty impressive. But it's also expensive and hobbled by a clunky application with a steep learning curve. To mop, you drop a sheet of detergent into the base station's clean https://robot-vacuum-black-friday23554.newsbloger.com/28209849/eufy-robot-vacuum-101-the-ultimate-guide-for-beginners