Term-A-Rid 613® helps kill termite infestations by killing the protozoa which live in the digestive system of every termite. The protozoa are the only means of termite digestion, allowing the termite to break down the cellulose to absorb nutrients from the wood. The more Term-A-Rid 613 the termite eats, the more it starves. The worker termites bring the food back to the colony and feed the other termites. The termite colony is reduced. Term-A-Rid 613 is patented and EPA approved for public use..