Kills mosquitoes before they're old enough to bite! The Mosquito Dunks are America's excellent-selling homeowner mosquito control product. The only product with BTI, a bacteria toxic only to mosquito larvae, lasts 30 days and treats 100 sqft of surface water. Great for use in flower pots, tree holes, bird baths, roof gutters, rain barrels, old tires, unused swimming pools, and animal watering troughs.
The active material is released at the surface as well as gradually settling to the bottom
May be used in all types of containerized mosquito breeding areas
Can be anchored using a string tied through the hole in the center or staked in place
Alternate wetting and drying will not reduce their effectiveness
Safe for use in fish habitats and animal watering troughs
Effective in controlling 100 square feet of water for at least thirty days