GREEN LIGHT 7462 Wipe-Out Crabgrass Killer PLUS Concentrate - 1-Quart Wipe out crabgrass killer plus Active ingredients include 2,4-d, dimehtylamine salt, quinclorac and dicamba The toughest formula ever on crabgrass. Kills more than 250 weeds, roots and all Broad spectrum activity Aids in the development of fast and strong roots Wipe out crabgrass killer plus Active ingredients include 2,4-d, dimehtylamine slat, quinclorac and dicamba The toughest formula ever on crabgrass. Kills more than 250 weeds, roots and all Broad spectrum activity Aids in the development of fast and strong roots.