Kills mosquitos before they are old enough to bite
Apply to water gardens or any standing water
Kills within hours; lasts 30 days or more
Each dunk treats 100sq. ft of surface water
Summit-Kills Mosquitoes before they're old enough to bite! The Mosquito Dunks are a best selling home owner mosquito control product. The only product with BTI, a bacteria toxic only to mosquito larvae. Non-toxic to all other wildlife, pets, fish and humans.