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Mosquito dunks biological mosquito control contains BTI, a natural mosquito larvicide, which kills mosquito larvae, but is harmless to birds, fish, wildlife and pets. Simply place a dunk in any standing water to control mosquito larvae for up to 30 days. Each dunk treats up to 100 square feet of surface water regardless of depth. Perfect for koi ponds, Hydroponic systems, animal watering troughs, rain barrels, birdbaths, stock tanks, planter saucers or any other standing water.
- Non-toxic to all other wildlife, pets, fish and humans
- Simply apply Mosquito Dunks to any standing water or water garden
- Kills within hours lasts for 30 days or more
- Highly effective low impact product
