Ortho® Fire Ant Killer Mound Treatment1 has a fast-acting formula that kills fire ant queens and their mounds. It kills mounds in just 15 minutes, and then it keeps new mounds and colonies from forming. Apply this product directly to residential lawns, ornamentals, and flower gardens only. Easily apply by pouring a 2/3 cup of this product over each fire ant mound and the surrounding 3-foot diameter. After applying the product, drench the mounds with 2 gallons of water. People and pets should not enter the treated areas until it has dried. For the best results, apply in the early morning or late evening hours, when the ants are the most active. Your home and yard are places for family and pets to enjoy. That's why Ortho® products are designed with care to provide effective solutions to insect problems outside your home. Ortho® Fire Ant Killer Mound Treatment1 will give you results - guaranteed or your money back.