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Mosquito Control Rings

Mosquito Control Rings
Mosquito Control Rings, Set of 6
Mosquito Control Rings, Set of 6
Item # 05-390
Mosquito Control Rings, Set of 20
Mosquito Control Rings, Set of 20
Item # 05-258


  • Control mosquitoes naturally
  • Rings last for a month
  • Each ring treats 100 square feet

Any standing water can breed swarms of mosquitoes, even your birdbath or rain barrel. Our Mosquito Control Rings contain Bt israelensis, a naturally occurring bacterium that kills mosquito larvae for a full 30 days. Each slow-release, floating Control Ring treats 100 square feet of surface area in your pond or water garden.


  • Rings measure 2-1/4" in diameter by 3/4" thick
  • Each ring, placed in water, controls 100 square feet of water surface area, no matter how deep
  • Can be stored in a dry, cool area for up to two years
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    Shipping Information

    There are no special shipping restrictions or charges associated with this item. For detailed information about our delivery methods and charges, click here.

    We're proud of the fact that this item is shipped to you directly from our warehouse in Vermont, by one of our 250 employee-owners. In-stock items are packed with care and shipped within two business days to ensure prompt delivery to your home and garden!