Narwal Robot Vacuum and Mop A relative newcomer to the robotic vacuum market, Narwal offers a sweeping and mopping hybrid that's pretty impressive. It's costly and is hindered by a cumbersome, slow learning curve application. Drop a detergent sheet into the clean water tank at the base station to clean. https://robotvacuumcleanerwithmop28783.dailyblogzz.com/28181454/10-best-rated-robot-vacuum-tips-all-experts-recommend