Bonide Sedge Ender controls crabgrass, nutsedge, dandelion, and spurge without damaging your lawn. The product begins to work on contact, and controls weeds both pre- and post- emergence. This formula can be used on both warm and cool season grasses, and once established, will not wash away in rain. RTU Active ingredients: Sulfentrazone 0.05%. RTU Other ingredients: 99.95%. Conc. Active ingredients: Sulfentrazone (N-[2, 4-dichloro-5-[4-difluoromethyl-4, 5-dihydo-3-methyl-5-oxo-1H-1, 2, 4-triazol-1-yl] pheny] methanesulfonamide) 1.36%, Prodiamine (N3, N3-Di-n-propyl-2, 4-dinitro-6-(trifluoromethyl)-m-phenylenediamine 2.73%. Conc. Other ingredients: 95.91%.