Controls common black ants in & around the home Pre-baited station, clean & simple to use. Kills ants in their nests. For indoor & outdoor use. Eliminates ants nests without mess or trace. Contain disodium tetraborate. Apply: At the first signs of ant activity. How to Use: Remove readily available foodstuffs. Remove bait station from pack & twist the base of the unit to open the access holes to the bait. Place the bait station on a flat surface as near to the entrance of the ant nest as possible. Do not disturb feeding ants as it is essential that feeder ants take the bait back to the nest to the rest of the colony. An effective dose is usually built up within the colony over 7-10 days depending on the size of the ant colony & the frequency of ant feeding.