Hi-Yield® Super Concentrate KILLZALL™ Weed & Grass Killer is a potent herbicide containing 41% Glyphosate, designed to effectively target and eliminate unwanted weeds and grasses. As a non-selective weed and grass killer, it works on a wide range of plants and contains a double surfactant formulation that quickly dries on plants to start working promptly. This versatile product can be used in various locations, including near fences, paths, patios, sidewalks, curbs, and driveways. For general weed control, a dilution rate of 3 tablespoons per gallon of water is recommended, while for tough weed control and brush, use 5 tablespoons per gallon of water. The coverage varies based on the package size, with 16 oz. covering 3,200 sq. ft., 32 oz. covering 6,400 sq. ft., 1 gallon covering 25,600 sq. ft., and 2.5 gallons covering 46,000 sq. ft.