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Summit

Summit...responsible solutions 110-12 Mosquito Dunks, 6-Pack

  • Based on 26,661 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Mar 29 – Mar 30
Order within 22 hours and 26 minutes
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Size: 6-Pack


Features

  • The only product with bti, bacteria toxic only to mosquito larvae
  • Lasts for 30 days and treats 100 square feet of surface water
  • Non-toxic to all other wildlife, pets, fish and humans
  • Labeled for organic gardening by the usepa

Description

Kills mosquitoes before they're old enough to bite. The Mosquito Dunks are America's best selling home owner mosquito control product. The only product with BTI, a bacteria toxic only to mosquito larvae, that lasts 30 days and treats 100 square feet of surface 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. Labeled For Organic Gardening by the USEPA. Highly effective low impact product.

Item Form: Tablets


Item Weight: 0.5 Ounces


Liquid Volume: 1


Active Ingredients: Bacillus Thuringiensis


Brand: Summit


Brand Name: Summit


UPC: 018506001100


Global Trade Identification Number: 00


Part Number: MD-12


Model Number: 110-12


Item Type Name: Summit...responsible solutions 110-12 Mosquito Dunks, 6 Piece


Unit Count: 6.0 Count


Warranty Description: 1 Year.


Manufacturer: SUMMIT...responsible solutions


Item Form: Tablets


Target Species: Fish


Item Weight: 0.5 Ounces


Liquid Volume: 1


Active Ingredients: Bacillus Thuringiensis


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Mar 29 – Mar 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Excellent Product !!!
Size: 6-Pack
Works extremely well along with sticky traps. Totally obliterated the fungus gnats plain and simple Excellent product. However let it soak in water overnight in a gallon of water. And water plants 🪴 as usual and see the results.
Reviewed in the United States on February 27, 2026 by Abu Yaqub , simply put EXCELLENT PRODUCT !!! However it deserves much more than five , or ten stars this is a must purchase to have in your health and wealth Arsenal
    • Try them! Huge reduction in mosquitoes when used regularly!
Size: 6-Pack
Nothing harmful, except for to the blood-suckers! Help tremendously! I have a reminder set to add one to the ornamental pond monthly. (Based on size / gallons, as to how much to use.). No harm to the "fancy goldfish" in the pond, no harm to birds, nor dogs who drink from pond. But - yes - prevents mosquito breeding. Our winters aren't cold enough, long enough, to rid us of mosquitoes. Yet other chemicals harm humans and other life. Yes, I'm a hypocrite. Love life, but ... mosquitoes? Grrrr. BTW, if there is anywhere that standing water can't be avoided, you can easily break off bits of these for those areas, too. They last! Work for at least a month, when used as directed. WELL worth this cost! Follow their instructions or ask. here, and someone will reply! ... show more
Reviewed in the United States on November 29, 2025 by easyshopper
    • We use these each month in all of out water features
Size: 6-Pack
We use these each month in all of out water features. We have much less mosquitoes when we use them than when we dont use them. Seem to be working and will continue for the foreseeable future.
Reviewed in the United States on July 31, 2025 by Gary B.
    • It works!
Size: 6-Pack
As someone who is very allergic to mosquito and gnat bites, I was a bit skeptical. I tried based on a friends recommendation. Bucket needs to be remade every month but this stuff really does work. I have gone from 25 or so bites per week to just a few. Saved my outdoor summer!
Reviewed in the United States on March 11, 2026 by Nancy
    • The Perfect, Natural Solution for Mosquitoes
Size: 6-Pack
I was looking for a safe and effective way to deal with mosquitoes, and these dunks are exactly what I needed. Effectiveness: These mosquito dunks are highly effective. I placed them in my pond and rain barrels, and within a few days, I noticed a significant reduction in the number of mosquito larvae. They really work to break the mosquito life cycle. Functionality: They are incredibly easy to use. You simply drop a dunk into any standing water source. I found them perfect for a variety of water features around my yard. The dunk dissolves slowly and releases the active ingredient over a long period. Natural Ingredients: One of the best features is that they use a natural, biological larvicide. I was concerned about using harsh chemicals, so knowing this product is safe for my fish, pets, and other wildlife gives me great peace of mind. The 6-pack is a good value and provides enough dunks to treat several areas. ... show more
Reviewed in the United States on September 18, 2025 by Tiny
    • Works great, excellent product for the money.
Size: 6-Pack
Works great, excellent product for the money. Kill those pests!
Reviewed in the United States on February 21, 2026 by Michael B
    • Did not reduce mosquitos
Size: 6-Pack
I really did not notice a huge reduction in mosquitoes with these and I use recycled coffee grinds now instead. They are okay but I didn’t really see they worked all too great.
Reviewed in the United States on March 16, 2026 by Debbie jackson
    • It killed the larva quickly
Size: 6-Pack
Used a quarter piece in buckets that collected rain water for garden this spring. By the next morning almost all larva swimming around was dead. We would have had a big problem with mosquito without this product. I will definitely be using these from now on.
Reviewed in the United States on March 15, 2026 by Sharon F

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