STEM Liquid Ant Bait is a spill-proof, no-mess solution to indoor ant pest control. This ant killer works in 24 hours by killing the queen and colony*. Place the ant bait traps along kitchen baseboards, corners of rooms, under and behind kitchen appliances, on window sills and in any other areas indoors where ants are found. STEM Liquid Ant Bait allows for children and pets to enter the areas where station is in use. Follow the simple instructions, and remove the activation film, place where ants are present, and wait for ants to carry the ant bait liquid back to the colony. Once the ant problem is controlled, remove bait stations and dispose according to storage and disposal instructions on pack. *excluding carpenter ants, harvester ants, pharaoh ants and fire ants