A Mosquito Dunk® looks like a small, beige donut which floats on standing water. As the Dunk® slowly dissolves, it releases a bacterium which is toxic to all species of mosquito larvae. Each dunk® kills mosquito larvae for 30 days or more. Approved for use in organic production! Each dunk® covers up to 100 square feet of water, regardless of depth for 30 days or more Use Mosquito Dunks® in any standing water including rain barrels, bird baths, tree holes, elevator shafts, planter reservoirs, rain gutters, etc While Mosquito Dunks® will kill all mosquito larvae in standing water, they are labeled for use in animal watering troughs, ponds, birdbaths, and other areas in which animals and pets will drink and bathe. Mosquito Dunks® are also completely harmless to plants, fish, frogs, turtles and beneficial insects.
