Product Description Kills mosquitoes before they're old enough to bite. The Mosquito Dunks are America's best selling home owner mosquito control product. The only product with BTI, a bacteria toxic only to mosquito larvae, that lasts 30-day and treats 100-square feet of surface water. Non-toxic to all other wildlife , pets, fish, and humans. Simply apply Mosquito Dunks to any standing water, or water garden. Kills within hours lasts for 30-day or more. Labeled For Organic Gardening by the USEPA. Highly effective low impact product.
