Maxforce Carpenter Ant Bait Gel is designed to mimic the preferred food source of carpenter ants: honeydew. This special formula allows foraging ants to return to the colony and feed the bait to larvae and the queen(s). The Maxforce Domino Effect kills even the most hidden and inaccessible colonies. For best results use with the Advance Carpenter Ant Bait. Contains 0.001% Fipronil. Sold as a single 30 gram syringe.