Control unwanted grasses, weeds, and brush at home with KleenUP High Efficiency Weed and Grass Killer. Kills down to the roots, preventing weeds from growing back after application. Unique formula starts working on contact to kill over 200 different types of grasses, weeds and roots, including established and hard-to-kill weeds. Weeds will begin to turn yellow and wilt within 3 to 5 days with complete kill within 1 to 2 weeks of application. This product is rainfast within hours to provide maximum control regardless of the weather. KleenUP is also effective in the removal of unwanted vines and stumps. Do not apply to wanted, desirable plants.