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. Kills tough broadleaf and troublesome grass weeds including dandelion, chickweed, clover and foxtail. Lawn friendly formula kills the weeds not the lawn and starts working on contact. 32 ounces covers 6,400 square feet area.