Mosquito Dunks kill Mosquitoes before theyre old enough to bite! The Mosquito Dunks are Americas bestselling home owner mosquito control product. The only product with BTI, a bacteria toxic only to mosquito larvae, that lasts 30 days and treats 100 square feet of surface water. Non-toxic to all other wildlife, pets, fish, and humans. Labeled For Organic Gardening by the USEPA. simply float on water — kills mosquitos instantly and up to 30 days Simply apply Mosquito Dunks to any standing water, or water garden; Kills within hours lasts for 30 days or more; Highly effective low impact product. Only $6.91, regularly priced $8.33 + Free Store Pickup at Walmart right HERE ←