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Summit 20-Pack Mosquito Dunk
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- Kills Mosquito Larvae Before They're Old Enough To Bite
- Organic Lasts Up To 30 Days
- Each Dunk covers 100 square feet of surface area
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|Item Dimensions||11.5 x 0.8 x 13.3 in||12 x 12 x 9 in||2.7 x 5.9 x 2.6 in||2 x 5.25 x 11.5 in|
|Size||20 pack||30 Ounce||8 Oz.||Pack of 1|
Mosquito Dunks 6 per card is a larvae ide that kills mosquito larvae only. It is deemed organic by the USEPA. Dunks are harmless to beneficial insects, pets, birds, fish or wildlife. Kills within hours and lasts for up to 30 days. Each Dunk covers 100 square feet of surface area. Perfect of Koi ponds, hydroponic systems, animal water troughs, bird baths, rain barrels. Place Dunks wherever there is standing water or standing water will accumulate
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I will toss them about every ten foot, separated by about 10 foot. The Mosquito population is significantly reduced for about 25-30 days and of course needs re-treatment if the standing water persists.. The already hatched mosquito's of course need to be sprayed to rid the active population. that can bite. It's important to repeat the process. if standing water persists. The 20 pack should last for several months. for smaller bodies of water.and is a very good buy in this larger package..
The product claims to kill the larva but not the hatched mosquito so this product is actually Mosquito prevention.
The bugs aren't bad yet so I haven't been able to put it up to a true test, but I threw them in my neighbor's abandoned pool and I'm hoping for a much more bearable summer this year than I had last year.
The pool size is a standard sized in ground pool and I put 4 dunks in the pool. They should last a month so this 20 pack should be good for the whole summer.
Just throw them in whatever standing whatever you have and leave it. They will do all the work.
I've been tossing them into someones pool that needs part of the filter system repaired. So I was also still putting the chlorine cakes in the floating dispenser.
Then it occurred to me. These work by releasing a bacteria into the water that attacks the larvae. The chlorine might be killing the bacteria. So I tried not adding chlorine and the next time I checked instead of finding dozens or hundreds of larvae with each dip of the skimmer net, after a dozen tries I found two and they seemed like they were about dead.
So my theory is:
1. For 30 day timed release use these dunks
2. If you already have a mess of larvae and have to act fast use the Mosquito Bits which release quickly and can exterminate in 24-hours (and are supposed to continue to work for 7-days). And after that switch to the dunks. I saw another review here that said you can grind up the dunks and get the same quick release effect. That makes sense but despite the claims on the package it might be good to wear a dust mask while grinding just to be safe because that isn't using them as directed.
3. Store dunks and bits in a cool dry place
4. If the body of water has anything meant to kill bacteria (chlorine, salt injection, UV sterilizer, etc.) it might kill the bacteria these products release.
UPDATE: Looked at the package and the heat info wasn't there. Here is the info from the manufacturer's web site FAQ which I recall reading before buying so that's probably where I saw it:
Will storage temperatures affect the viability of Mosquito Dunks®?
The best storage condition for Mosquito Dunks® is a cool,
well-ventilated place. Because B.t.i. is a bacterium, extreme cold
or even freezing temperatures will not reduce the effectiveness of
Mosquito Dunks®. However, prolonged exposure (more than
24 consecutive hours) to temperatures above 100 degrees F.
may affect the efficacy of the product.