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Mosquito Dunks are a safe, non-toxic way to kill mosquitoes. Using a bacteria toxic only to mosquito larvae, they kill mosquitoes within hours and last for 30 days or more. Each package includes 20 Mosquito Dunks and each dunk treats 100 square feet.

To purchase a 6-pack, please click here.

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Overview

Mosquito Dunks are a highly effective, low impact mosquito killer. It is the only mosquito product that uses BTI, a bacteria deadly to mosquito larvae but harmless to other living things. BTI specifically targets mosquitoes, killing mosquito larvae before they become biting, disease-carrying adults. Mosquito Dunks are safe to use around people, pets, birds, wildlife and fish. Mosquito Dunks have been registered by the EPA for use in animal watering troughs and fish habitats.

Features & Benefits:

  • Package includes 20 Mosquito Dunks
  • One Mosquito Dunk effectively treats 100 square feet of surface water
  • Effective against the larvae of all species of mosquitoes
  • Kills within hours, and lasts for 30 days or more
  • Non-toxic to people, pets, fish, and all other wildlife
  • Labeled for Organic Gardening by the US EPA
  • Meets National Organic Program standards
  • Made in the USA

How To Use:

Simply add a organic Mosquito Dunks to any standing water, or water garden. It is non-toxic to other organisms in the water. As it slowly dissolves, it releases a bacterium toxic only to mosquito larvae. When larvae hatch in water treated with a Mosquito Dunk, they will begin to eat the BTI, which will kill the larvae before they grow up to be biting adults. It is effective against all species of mosquitoes, including yellow fever mosquito, Aedes aegypti, and lasts for 30 days or more. Each Mosquito Dunk treats up to 100 square feet of surface water.

Place BTI Mosquito Dunks in standing water wherever it accumulates around your home: ponds, gardens, flower pots, bird baths, rain barrels, roof gutters, unused swimming pools and more.

Mosquito Dunks can be stored indefinitely because the dried BTI is not technically living bacteria. Field tests have shown eight-year old Mosquito Dunks to be nearly as effective at killing mosquito larvae as the new product. The best storage condition for Mosquito Dunks is a cool, well-ventilated place.

We've Got People Talking

4.7
Rated 4.7 out of 5 stars
Based on 21 reviews
Total 5 star reviews: 18 Total 4 star reviews: 1 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 1
21 reviews
  • Rated 1 out of 5 stars
    Didn’t really reduce mosquitoes ☹️

    Didn’t really reduce mosquitoes ☹️

    Susan P.
    Flag of United States
  • Rated 4 out of 5 stars
    I'm not completely sure how

    I'm not completely sure how well they work because I haven't used them long enough. I brought them to Thailand because I have a home here. They seem to be working well. I'll know better in 1 more month.

    JAMES U.
    Flag of Thailand
    Verified Buyer
  • Rated 5 out of 5 stars
    Every spring

    Love that we can buy a big pack of dunks like this. We have alot of wet lands that around us and we throw the whole pack in during the early spring to the areas surrounding us. These really help to lower the amount of mosquitoes that hatch during first wave.

    laura k.
    Flag of United States
  • Rated 5 out of 5 stars
    Mosquito Dunks

    Ordered the smaller amount of dunks for our school garden. Got here fast and secure. It's been working so far and no problems handling it. Thank you!

    Rozz M.
    Flag of United States
  • Rated 5 out of 5 stars
    Seems to be working! so excited

    It’s early in the season but seems to be working!!! Have been trying so many things and this seems to work so far!!!

    Michele C.
    Flag of United States
  • Rated 5 out of 5 stars
    Great product

    I have put them in water around my yard, and what a difference! Barely any mosquitoes.

    Shirley B.
    Flag of United States
  • Rated 5 out of 5 stars
    Worked great

    I used the Dunks this summer, no problems with mosquitoes

    Michael L.
    Flag of United States
    Verified Buyer
  • Rated 5 out of 5 stars
    Effective

    I split this up between 5 people and is doing it's job. I haven't seen any mosquitoes around my house.

    Kathie E.
    Flag of United States

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