Ortho Fire Ant Killer Mound Treatment is specially formulated to help eliminate Fire Ants to prevent them from destroying your lawns. It uses Bifenthrin as its active ingredient which effectively kills the queen and colonies. It features a fast-acting formula which kills the mound in a span of 12 hours, and it works by penetrating the soil deep below ground to ensure it delivers a guaranteed result. This granular formulation will provide a perfect solution to your Fire Ant management on your lawns, landscape areas, flower beds, patios, sidewalks, and driveways.