Ortho Orthene Fire Ant Killer1 kills the queen, destroys the mound and treats up to 162 moundsThis fire ant killer begins killing in just 60 minutes so you can get back to enjoying your yard fastKill fire ants outdoors on your lawn and around ornamental plants, including flowers, trees and shrubsTo treat fire ant mounds, simply sprinkle the product over each mound using amount specified on the product label, no watering-in neededThis pack includes two 12 oz. bottles of Ortho Orthene Fire Ant Killer1; for best results, use as part of the Ortho 2-Step System with Ortho Fire Ant Killer Broadcast Granules (sold separately)