Control and reduce mosquito breeding grounds naturally with Mosquito Dunks.
Safe and easy to use in bird baths, fountains, ponds, or anywhere water may accumulate or become stagnant. Each dunk kills mosquito larvae for 30 days or more and treats 100 square feet of surface water.
Mosquito Dunks are the only product containing BTI, a bacteria that's toxic only to mosquito larvae.
BTI is harmless to people, plants, pets, fish, wildlife and beneficial insects, but deadly to mosquitoes.
Package of 6 Dunks