Kills mosquitoes before they are old enough to bite!
Mosquito Dunks are America's best selling home owner mosquito control product. The only product with Bti, a bacteria toxic only to mosquito larvae, Mosquito Dunks are effective for 30 days and treat 100 square feet of surface water. The easy-to-use floating disks are non-toxic to all other wildlife, pets, fish, and humans. Simply float or anchor Mosquito Dunks in any standing water or water garden, and larvae are killed within hours. Mosquito suppression lasts for 30 days or more. Labeled for organic gardening by the US EPA.