Model # 110-12

Internet #100334779

Store SKU #284289

Summit 12 in. Mosquito Dunks (6-Pack)


12 in. Mosquito Dunks (6-Pack)

$9.42 /each

Frequently Bought Together

Product Overview

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.

  • Kills mosquitoes before they are old enough to bite
  • The professional mosquito control product available for the homeowner. Used and recommended by mosquito abatement professionals and Health Departments for over 25 years. The quintessential highly effective low environmental impact mosquito control product!
  • Harmless to honey bees, beneficial insects, pets, and wildlife! Kills mosquito larvae and nothing else!
  • Labeled For Organic Gardening by the US EPA.
  • Unused, dry Dunks retain their potency indefinitely and can be halved and quartered for small areas of water
  • Contains Bti a species specific bacterium and food grade inactive ingredients

Info & Guides

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Customer Questions & Answers

Is it safe to use in a decorative, 3-tier fountain? Could I break one disk into thirds and place a piece in each tier?

Fountain is not large, does not hold a lot of water.
Asked by: Lois
Thank you, both...I'm getting then that the mechanical apparatus of the electric fountain won't be harmed by the treated water being pumped through it?
Answered by: Lois
Date published: 2016-09-06

Mosquito Dunks in Ponds with Pump

Are the dunks safe to use with a pond pump for a water fall?
Asked by: Beejayem
I have a small 1000 gallon pond with a pump/waterfall. Without treatment I get mosquito larvae in my pond. I have used dunks and they work fine. They float on the surface whereas my pump is at the bottom. As someone else stated, the dunk will dissolve faster in moving water but I still prefer that over breeding mosquitos! I buy my dunks from The Home Depot as they are significantly cheaper than buying from the local pet store or even my online pet supplies outlet.
Answered by: Jim
Date published: 2016-08-20

I have drains in the back yard that hold water. If I put a dunk in the drain, and then it rains, will it wash away? Or does the dunk sink?

Asked by: Richard
It floats.
Answered by: OM
Date published: 2017-02-21

can you use this product in california

Asked by: cc
They sell it in CA so it's okay.
Answered by: OM
Date published: 2017-01-31
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Customer Reviews

12 in. Mosquito Dunks (6-Pack) is rated 3.9 out of 5 by 11.
Rated 5 out of 5 by from Excellent!!! Works as advertised. I have collected rain water in my 96 gallon recycling bin and n... Excellent!!! Works as advertised. I have collected rain water in my 96 gallon recycling bin and noticed that after about 2 weeks it was full of mosquito larvae wiggling in the water. I dropped one "Dunk" and right away it attracted the larvae. After a few hours a whole bunch were floating dead and by the next day they were all dead. The "Dunk" was barely dissolved and it took care of the problem. Fantastic product for this problem.
Date published: 2017-01-31
Rated 4 out of 5 by from MOSQUITO DUNKS really work These MOSQUITO DUNKS really work and they are safe for birds and pets. They are not toxic and work as a biological control. We live on the Texas gulf coast and we have been using them for at least five years. Since we have been using them we haven’t seen a wiggle tail in or bird baths. We normally add ¼ of a “dunk” per bird bath every six weeks throughout the 9 months of summer we have here. The dunks come in a sealed up bubble pack that lets you open and remove them one at a time. We store all the unopened and opened dunks in an airtight plastic bag. They will crumble if you let them get damp.
Date published: 2015-09-29
Rated 1 out of 5 by from I would not recommend this product. I bought 2 6 packs for my pool and used them both and the lar... I would not recommend this product. I bought 2 6 packs for my pool and used them both and the larva continued to swim around hardly killing any of them. A waste of money
Date published: 2016-12-23
Rated 4 out of 5 by from dunks work! They really do work. Haven't found anything better besides eliminating standing water itself. I'll even siphon with aquarium hose if I cant dump out. I refuse to put poison and endanger non-offenders. Dunks beat putting vegetable or olive oil, too. Not as messy and last at least as long or longer, I wish they cost less $, and/or maybe more than just one brand or package size to choose from. In rainy weather, of course, need to use more, and more often. I also think they have a shelf life or need to be stored better than just in the package they come in. The dunks left over from fall until spring didn't work, wigglers still alive after two days. So I bought more, and they worked by the next morning. Guess if I had thought about what they're made of I would've stored left over dunks in a baggie and perhaps in the fridge during the winter break. Seems that just leaving in unsealed package, even though inside the house, they become ineffective.
Date published: 2015-06-29
Rated 5 out of 5 by from Mosquito Dunks Work Great! We have two fountains in our yard. They breed mosquitos aplenty. Mosquito Dunks floating in them kill the larvae quite successfully and quickly -- and are harmless to out pets. Last year we ran out of Mosquito Dunks -- as a result I got Stage III West Nile virus, lost a month of my life, and almost died! Eight hours in the emergency room is no picnic. We'll never run out of Mosquito Dunks again!
Date published: 2013-06-26
Rated 5 out of 5 by from Easy-to-use and effective. This product keeps mosquito larvae from developing into mosquitoes. Even though more eggs may be laid in the water, the product will keep the new larvae from developing also.
Date published: 2012-08-04
Rated 4 out of 5 by from What's "12 in." about this?? Title of this product says it's "12 in. Mosquito Dunks". Huh? But I've used these in my pond and they work well.
Date published: 2016-04-15
Rated 4 out of 5 by from Geat product I have 4 67 gal rainbarrows. I use 1/2 a dunk in each once a month and they work.
Date published: 2014-05-08
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