Mosquito Dunk Chunks kill mosquitoes before they're old enough to bite. Perfect for rain barrels as well as bird baths, fish ponds, and any other standing water. Safe to use around people, plants, pets, fish, and livestock.

• Five chunks per pack controls mosquitos for five months (30+ days per chunk)

• No mixing or measuring — simply toss in

• Kills mosquito larvae in standing water

• Each chunk covers up to 25 square feet of surface water

• Biological, species-specific control

• Does not affect beneficial insects, honeybees, tadpoles, dragonflies, or anything else

• Manufactured by Summit