Summit Mosquito Dunks Larvae Control Tablets

By Summit
Rated 4.5806 out of 5 stars
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Summit Mosquito Dunks Larvae Control Tablets, 6 count slide 1 of 3
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Summit Mosquito Dunks Larvae Control Tablets, 6 count slide 1 of 3
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$5.99Chewy Price
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$12.99Chewy Price
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About This Item

  • Mosquito dunk spreads a bacterium that kills larvae before they grow up to become biting adults.
  • For use in any standing water including rain barrels, bird baths, koi ponds, tree holes, stock tanks, planter reservoirs and rain gutters.
  • Deadly to mosquito larvae but harmless to other living things with the active ingredient Bacillus thuringiensis subspecies israelensis (Bti).
  • When females lay their eggs in water treated with the dunks, the larvae will hatch and eat the bacterium.
  • Each dunk covers up to 100 square feet of water, regardless of depth for 30 days or more; for less water a portion can be used.
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Fish TypeKoi & Pond FishTropical Freshwater, Marine FishTropical Freshwater, Marine FishTropical Freshwater, Marine Fish
Aquarium TypePondFreshwater, SaltwaterFreshwater, SaltwaterFreshwater, Saltwater
MaterialPlasticPlasticPlasticPlastic
Top IngredientsN/A———

Questions & Answers

16 Customer Questions

Can water be used for watering a garden after using this?
Answer by Chewy • Oct 21, 2017
These Tablets float on water and will keep working for 30 days or longer under typical environmental conditions. While floating, they slowly release a long-term biological mosquito larvacide at the water's surface.
Will this harm my water turtles and goldfish that are in my small pond?
Answer by Chewy • Nov 26, 2019
This product can be used in your pond and it will not harm other living things such as birds, wildlife, children and pets.
Can you use this for swimming pools and wanted to know if we get in with this is it ok
Answer by Chewy • Jun 26, 2018
These are not intended to be used in pools. They are recommended to be used in standing water such as ponds. You don't want to have this item in water that you would be in or consume.
Can this be put in a 3 gallon dog water bowl? Will it hurt dogs?
Answer by Chewy • Mar 18, 2018
This is not intended to be used in a drinking water bowl, and is not intended to be ingested.

ReviewsWrite a Review

4.6
Rated 4.5806 out of 5 stars
31 Reviews
90%
Would recommend to a friend
1
3.2258
3%
2
3.2258
3%
3
6.4516
6%
4
6.4516
6%
5
80.6452
81%

31 Customer Reviews

Rated 3 out of 5 stars
By redgarnet54 on Apr 5, 2022

Breaks up too easily clogging my fountain pump.

I read the reviews on this and thought I would give it a try on my 3-tiered barrel fountain. The instructions guide you as to how much to place in the water so I broke the ring into quarters and placed one piece in the bottom base of my fountain. It floats on top of the water and began breaking up into little "beads". I cannot verify whether these are working when my fountain pump is off during the night or not because I have seen many mosquitos flying around near the fountain during the morning hours. Also the beads are clogging my pump. I like the fact that they are harmless to fish/birds/etc., but will give it time to see the end results. They are fine in my bird bath but I never had an issue with mosquitos in that anyway as I change the water frequently and have a spray for that. I am on the fence with these but have the entire package to see actually if they work through the summer months. I will update my review if needed.

Rated 5 out of 5 stars
By luckymom on Apr 26, 2022

prevent mosquitoes

it works. no more bites. just drop a piece in water and you won't see larvae any more. follow package directions.

Rated 5 out of 5 stars
By Robin on May 18, 2021

Love this stuff

I love the mosquito dunks! I throw some fresh ones in our pond once a month and it keeps my yard free of mosquitoes! Each spring we have an onslaught of mosquitoes, and that’s my cue to start my routine, they slowly diminish and at around one month later they’re gone for good (as long as I stay on the routine) They say on the label that they kill nothing but mosquitoes, and I love that!! I don’t want to hurt my fish or any other form of nature :)

Rated 5 out of 5 stars
By azyorkiemom on Jul 13, 2021

Great Product

Best product on market. Have a french drain with two drains that hold water. Tried many different products. The Mosquito dunks do exactly what’s they are supposed to do.

Rated 2 out of 5 stars
By dtprice1 on Apr 21, 2021

Mosquito Dunk Larvae Control Tablets

Used (4 out of the 6 ) dunks in a relatively small flowerbed pond, but I am still experiencing mosquito issues on the patio, and still see more mature larvae in the water. I chose this because it said it would not harm other pond life (fish, frogs, etc..). But unfortunately, did not work as expected. I ended up getting a large net and swooping it through the water dumping the squirming larvae out in the grass for the birds to eat. HOWEVER, I DO love Chewy, their variety of products, and their responsiveness. I would definitely recommend them. They have quick mailing services, and excellent customer service.

Rated 5 out of 5 stars
By Chris on Sep 17, 2020

Killed Larva in Drains! Yeah!!

We have large drainage system in our yard and found we didn't have as many fleas in our grass as we had mosquito larva in our drains. 20 bites on my legs in the hour I was out playing with our dogs...they were getting bit too, but I couldn't find fleas on them! We sprayed our yard and still got bit. Well I ordered these little donuts, followed the directions and we do not breed mosquitos any longer. Wonderful stuff. Keeps our drains from being a breeding ground.

Rated 5 out of 5 stars
By Chase on Jan 18, 2021

These work for my indoor bamboo plant

Had mosquito larvae and a quarter of one did the trick!

Rated 5 out of 5 stars
By Kiki on Jul 21, 2020

Great solution

If you have a pond, you don't want it to be a breeding ground for mosquitoes! This product is the answer. Don't have to worry about my dogs getting heartworm from mosquitoes!

Rated 5 out of 5 stars
By DeeS on Jul 1, 2020

Works and easy to use!

I have birdbaths in my yard and not only is this easy to portion and just toss in but no mosquitos even after it being rainy and humid all summer. I at least know it's safe keeping water in the birdbath without a risk of breeding mosquitoes

Rated 5 out of 5 stars
By Scout on Jul 18, 2020

Works great

We put these in an old Jacuzzi that we made into a lily pad pond to kill the mosquito larvae and it worked great without harming our frogs and toads.