Protect your family and pets from harmful fire ants with Over'n Out Advanced Fire Ant Killer. These ready-to-use granules kill fire ants within 15 minutes and continue to protect for up to 6 months. Since fire ants are most active early in the morning and late in the evening, apply the granules to your lawn or home perimeter in calm weather, when no rain is forecast for at least 24 hours. Once applied, don't forget to water-in immediately to release the active ingredients. Apply uniformly over your lawn according to the suggested spreader settings.This 11.5 pound bag covers up to 5000 square feet.