Powerful, effective preventative termite treatment. ACTIVE INGREDIENT - Disodium Octaborate Tetrahydrate. Bora-Care is proven effective to kill and prevent: drywood termites, subterranean termites, formosan termites, carpenter ants, powderpost beetles, old house borers. PLUS: Bora-Care will kill and prevent algae and wood-decay fungi. Scientifically demonstrated to work in 12 years of efficacy studies as well as use in the field since 1990. Penetrates the wood and remains there there for the life of the wood, providing residual protection. Reduces the need to pump pesticides into the ground, thus removing a threat to the environment, or water supply.