Summit B.T.I. Briquets is the industry standard in extended release B.T.I. formulations for the control of mosquitoes in the larvae stage. The product is a small circular cork matrix that floats on standing water. As the briquet slowly dissolves, it releases a bacterium which is toxic to all species of mosquito larvae. The active ingredient in Summit B.T.I. Briquets is bacillus thuringiensis subspecies israelensis (B.T.I.), which is a common soil-borne substance. B.T.I. is a bacterium that is deadly to mosquito larvae but harmless to other living things, for instance, aquatic insects, fish and other aquatic life are not harmed.
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Active Ingredient Bacillus Thuringiensis Israelensis (BTI) Case Quantity 1