AMDRO Ant Block Home Perimeter can be used on lawns, landscaped areas or around structures. Ant Bait will kill listed ant species outside before they enter your home. Worker ants carry it back to the mound thinking its food. Once the queen eats it, the colony is doomed. Each bottle contains enough bait to treat the average home up to six times. Apply at a rate of 4 Oz per 180 linear feet, apply in a band 1 feet wide around the outside perimeter of the building.