Southern Ag Surfactant for Herbicides Non-Ionic, 128oz - 1 Gallon A wetting agent that increase coverage & penetration of any herbicide CONTAINS: 80% non-ionic Surfactant. USE: With almost all herbicide sprays including Trimec, Atrazine, Brush Killer and 2, 4-D Amine FOR: Reducing the surface tension of water to insure more uniform coverage and penetration of weed killers. RATE: + Tsp. per gallon of water (1 pt. per 100 gallons)