Mosquito Bits® is an easy-to-use solution for killing mosquito larvae quickly. Simply sprinkle or broadcast the product over standing water, and starts working within minutes. It is harmless to beneficial insects, pets, birds, fish, horses, and livestock and can treat up to 7,500 sq. ft. with the 30oz package. It can also be used to kill fungus gnat larvae in the soil when used as a "tea".