Narwal Robot Vacuum and Mop A relative newcomer to the robotic vacuum market, Narwal offers a sweeping and mopping combination that's impressive. But it's also expensive and is hampered by a clunky app with a steep curve. To mop, you place a detergent sheet into the base station's water tank https://best-robot-vacuum-for-har48228.blog-kids.com/27855305/see-what-best-rated-robot-vacuum-tricks-the-celebs-are-using