Super concentrate, Non-selective weed and grass killer contains a double surfactant formulation that dries on plants fast to start working quickly down to the root. Use near fences, on paths, patios, sidewalks, curbs, and driveways. Rainfast in 2 hours. Application rates: General weed control: 3 tablespoon per gallon of water. Tough weed and brush control: 5 tablespoon per gallon of water. Active ingredient: 41% Glyphosate.