Fire ants are ruthless, invasive pests. They wreak havoc on your lawn, and make it next to impossible to feel safe and enjoy your outdoor space with friends and family. Fear not, the Ortho Two-Step Method is here to help. The Ortho Two-Step Method kills the fire ants you see and controls ones you don't for up to six months. Step 1: Use Ortho Orthene for mound treatment along with Step 2, the application of Ortho Max Fire Ant Killer Broadcast Granules across your entire yard, providing two steps for laying down the law against fire ants.