Terro Outdoor Liquid Ant Bait Stakes stop the problem at the source. The stakes target ants outdoors before they make their way into your home. The slow killing poison gives ants the time to transport the bait back to their colony, eliminating all worker ants and the queen. The bait attracts and kills all common household ants. Terro Outdoor Liquid Ant Bait Stakes come prefilled and ready to use. Simply place the stakes in outdoor areas where you see traces of ants, break off the activation tab, and let the bait work its magic. No tools are needed to push the stake into the ground, just your hand. A see through window enables you to monitor the bait level so you know when it is time to be replaced. When the bait is empty, dispose of the stakes in the garbage. Place Terro Outdoor Liquid Ant Bait Stakes near ant colonies or other locations where they are numerous. Apply the stakes near the perimeter of your home, especially near entrances where you think they may be getting inside. The stakes are weatherproof, offering protection in any condition. The more bait placements, the better. When the stakes are first placed in the ground, a large number of ants are going to appear. Do not worry because this is perfectly normal. The formula was created to allow worker ants to consume the product and survive long enough to transport the bait back to the nest. They will then infect the rest of the colony with the poison, eliminating the worker ants and the queen. Terro Outdoor Liquid Ant Bait Stakes kill ants before they enter your home. The liquid ant bait works to eliminate all common household ants.