Ortho, 24 OZ, Ready To Use, Nutsedge Killer For Lawns, Kills Yellow & Purple Nutsedge, Kyllinga & Over 50 Other Tough Weeds, For Northern & Southern Turf Grasses, Rainproof In 2 Hours, Kills Weeds, Not Lawns, No Mixing, Active Ingredient: Sulfentrazone 0.05%.