Mosquito Dunks® kill mosquito larvae before the can become flying, biting, disease-carrying adults. Mosquito dunks last 30 days; each dunk treats 100 square feet of water.
- Non-toxic to wildlife, pets, fish, and humans when used as labeled
- Apply to standing water
- Kills within hours
- Labeled for organic gardening
- Active ingredient is Bacillus thuringiensis israelensis