Precor IGR Concentrate

$6.70 - $52.32

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4.4 Rating: 4.4

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  Size/Description Price/Ea. Qty  
Precor IGR Concentrate bottle (1 oz.) $6.70
Precor IGR Concentrate - Box (10 x 1 oz. bottles) box (10 x 1 oz. bottles) $50.50
Precor IGR Concentrate - 16 oz. bottle 1 pint (16 oz.) $52.32
Total Price: $0.00


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For large order quotes, please call us at 1-866-581-7378.

Precor IGR Concentrate - Box (10 x 1 oz. bottles)

Only Precor IGR's molecules move to the places pre-adult fleas live, like the base of carpet fibers and between furniture cushions - in short, the sources of a flea infestation. Precor IGR targets fleas in the egg and larval stages of development. As a result, pre-adult fleas cannot produce new infestations of breeding, biting adults. PREVENTS ADULT FLEA EMERGENCE FOR 7 MONTHS.

For control of active flea infestations, this product works best when combined with an adulticide such as Suspend SC or Demize E.C. which will help to provide quick knockdown of adult fleas.

See our entire selection of professional IGRs.


Active Ingredient: Methoprene
Target pests: Fleas. Does not work on ticks. For Ticks, see Precor 2000 plus.
For use in: indoor control only of pre-adult fleas - up to seven full months. Does not work outside in direct sun.
Application: Apply at a rate of 1 oz per 1 gallon of the diluted spray solution per 1500 sq ft of surface area with any low pressure sprayer with a fan tip that is typically used for indoor applications.
Pet safe: yes, when dry.
Yield: Prevents adult flea emergence (by preventing flea eggs and larvae from maturing) for up to 7 months as long as carpet is not shampooed or steam cleaned. This means if a flea egg drops off of infected dog, flea egg will not develop. 3 year shelf life.
Manufactured By: Zoecon



Precor® IGR acts on the immature stages of a flea’s life cycle. Flea eggs deposited on or flea larvae crawling onto treated surfaces will not develop into adult fleas. Existing adult fleas and flea pupae are not affected and thus, Precor® IGR Concentrate is generally used in conjunction with an approved insecticide labeled for adult fleas. Effective, long-lasting indoor control of pre-adult fleas - up to seven full months. Mix with water to make 1 gallon of finished product. 1 oz.

To prevent infestations before they start, apply PRECOR prior to flea season.

When applied to surfaces where fleas are found, such as carpets, upholstered furniture, and pet sleeping areas, PRECOR prevents adult flea emergence for up to 7 months. Controlling fleas on pets is important to prevent introduction of adult fleas indoors. If fleas are a problem on pets, treat the pets with an effective EPA registered flea control product.

METHOD AND RATE OF APPLICATION
Prepare a diluted spray solution with a final (S)- Methoprene concentration of approximately 0.007%, by adding 1 oz of PRECOR to 1 gallon of water. Partially fill the mixing container with 1/2 gallon of water, add PRECOR, shake well, and then add the remaining 1/2 gallon of water. Shake well before each use. When tank-mixing, follow the directions above except add the product to tank mix first, agitate, and then add PRECOR, agitate and complete filling of spray tank, and agitate once more. Apply at a rate of 1 gallon of the diluted spray solution per 1500 sq ft of surface area with any low pressure sprayer with a fan tip that is typically used for indoor applications. Treat all areas harboring fleas, including carpets, furniture, pet sleeping and bedding areas, and throw rugs. Treat under cushions of upholstered furniture. Avoid contact with treated surfaces until dry.

When applying to upholstery where staining could be a concern, apply dilution to a small inconspicuous location to determine if possible staining could occur. Generally, PRECOR will not stain areas that would not be stained by water alone.

Rating Snapshot

5 stars   25
4 stars   1
3 stars   3
2 stars   1
1 star   2

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Average Customer Rating
4.4 star rating (32 reviews)

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Most Helpful Customer Reviews
  • 33 of 35 people found this review helpful:

    5 of 5 Stars  Precor works
    By Jesse in MO on January 3, 2009

    Precor IGR Concentrate is fantastic for keeping the fleas away. We would recommend it to anyone.

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  • 26 of 27 people found this review helpful:

    5 of 5 Stars  Precor cure!
    By Zac in Western PA on August 15, 2010

    I bought this stuff as backup. I used a bunch of the Precor foggers along with some Ultracide to get rid of the flea issues I was having. They took care of the problem. I bought this stuff just in case I needed it. Precor does the job, folks! Fleas have been bad in my state this year. EVERYONE has had fleas. EVERYONE! I gave 2 bottles away for people to try. They used this as the IGR (like box states) and then used cheap store brand foggers to kill the adults. They also agree, this stuff works good for the non-adult stages.

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  • 22 of 22 people found this review helpful:

    5 of 5 Stars  Precor IGR Concentrate
    By JC in Onalaska, Texas on July 24, 2011

    Had used Precor IGR Concentrate some years ago but it became unavailable at any of the outlets in this area. Precor is probably the absolute most effective product for the control of fleas. The area here is having a sand flea epidemic/infestation due to migration of sand fleas because of the severe drought conditions. It took three applications of Demize EC and Precor IGR to finally render the house flea free. The first application was a mixture of four ounces of Demize and two ounces of Precor in two gallons of water. The second and third application were done with two ounces of Demize and one ounce of Precor in one gallon of water. This was done on three successive Friday mornings. The fleas gradually disappeared, and haven't seen any fleas since.

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  • 20 of 20 people found this review helpful:

    5 of 5 Stars  Flea Control
    By Dagmar in Blountville, TN on August 1, 2011

    I ordered this after I found an empty bottle left by a pest control company that I had been paying every month, but cancelled because I was not happy with their service. I looked Precor IGR up on the internet and was very pleased to know that I could order it myself and do the pest control. I already knew it worked and was happy that I could save money by doing it myself. I liked the free shipping and the customer service rep. was very helpful. I am glad I asked about the existing adult fleas as this product does not deal with that issue. She directed to another product to mix with Precor IGR and I am happy to say, both products work wonderfully. After my initial investment, I will be saving money and be free of fleas and ticks.

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  • 15 of 16 people found this review helpful:

    5 of 5 Stars  Precor combined with Suspend SC
    By T in Spencer, WV on November 6, 2011

    I used this product in combination with Suspend SC for a flea problem that many other products failed to eradicate. One application and no fleas or signs of fleas for over two weeks. One word of caution, there was a stout chemical odor for about an hour, but we just closed up the house and left for the afternoon and aired out upon return. Product worked fine for our family and we were all impressed that it actually performed as advertised.

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Most Recent Customer Reviews
  • 1 of 1 people found this review helpful:

    5 of 5 Stars  PRECOR EFFECTIVENESS
    By Tony in Stanley, NC on August 14, 2015

    Here's what I know: We were suffering insect bites and could not even see what was causing them. We vacuumed, sprayed "HOTSHOT", and threw cushions in the dryer twice and still had a problem though it was less than originally encountered. We sprayed PRECOR and did all the other things again. Problem gone. We will continue to vacuum and spray till we are sure whatever was causing the bites are gone.

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  • 1 of 1 people found this review helpful:

    5 of 5 Stars  Really Works
    By Connie in mt. pleasant sc on August 12, 2015

    My Husband used the Precor from the first time after we received it. We have been having problems with fleas since May. Our neighbors dog had been making a bed under our house, since then the dogs are gone but left their uninvited friends behind. We have tried everything we know to get rid of those pesty things. We called our pest control company three times. Still had fleas. We bombed twice, still had fleas. We used flea powder, still had fleas! We used another spray inspectize ,still had fleas. We even used home remedies such as soapy water and lights, lemon water and vinegar and lights even though it helped some we still had fleas. But we saw fast results when he sprayed with the Precor IGR! Have referred it to two other friends and will be ordering for the future. And no smell since i am highly sensitive to chemicals. Thanks, my level of stress is down now that we have these pests under control thank you thank you thank you

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  • 5 of 5 Stars  It always works
    By Wayne in Texas on June 30, 2015

    If you have fleas this product works to break the life cycle, however it is not a pesticide and will not kill adult fleas. When you see adult fleas they are only a very small percentage of the flea infestation and this product is for the other 95%. So if you have a lot of adult fleas combine a pesticide with this product. I have used this product for several years without any residual problems when I have a flea issue. Recommended...

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  • 0 of 1 people found this review helpful:

    5 of 5 Stars  wow
    By Phil in largo, florida on April 21, 2015
    Verified Purchase

    always a great products and gets the job done.

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  • 5 of 5 Stars  precor
    By David in wichita falls, texas on March 1, 2015
    Verified Purchase

    use this with tempo it works good and it's cheaper to buy at do my own pest.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  Added Precor to Conquer Mix
    By Dan in San Jose, CA on December 23, 2014
    Verified Purchase

    I added an ounce of Precor IGR to the sprayer when I mixed the Conquer (2 0z.). The Conquer killed all the fleas immediately and I'm hoping the Precor does it's job and stops any eggs from maturing. So far, so good. No sign of fleas on the 3 cats or anywhere in the house for about a month now.

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  • 3 of 5 Stars  Seeing fewer fleas but not completely gone?
    By Chris in Irondale, Mo. on October 20, 2014
    Verified Purchase

    I've been doing lots of reading, researching, and applying the same chemicals that exterminators use with some success. I use a combination of an adultcide Permethrin and an IGR Precor. It's been over 3 weeks now and I still have fleas. Although I'm also using Frontline Plus on my dog who is permanently outside now and he still has fleas as well? I'm hoping that by vacuuming, and retreating I will eventually get this problem under control for good.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  the missing ingredient
    By Timothy in Rochester, NY on September 23, 2014
    Verified Purchase

    My wife suffers with asthma and reactive airway disease. When our home became infested with fleas after I petted the neighbor's outdoor cat we were in a pickle because we could not use adulticides. We were attempting to kill them off with all natural methods including salt, diatamatious earth and excessive vacuuming. These methods knocked down the population but did not prevent reinfestation. This product was the missing piece of the puzzle. We were able to use this product without any negative effects for my wife (every asthmatic is different but in our experience it was OK). With the second application the flea population dropped dramatically, and now after a few weeks seems to be decimated. I am so happy and this product was definitely an answer to our prayers.

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  • 1 of 1 people found this review helpful:

    5 of 5 Stars  Quick & Easy
    By Marcus in Waco, TX on September 14, 2014
    Verified Purchase

    Great product. The individual bottle was quick and easy to add to my pump sprayer and enough to cover my smaller backyard along with the inside of my house. I did not have a flea problem but do have two inside dogs, so I used the product as a precaution. So far so good!

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  • 3 of 5 Stars  First time use
    By John in 93003 on August 23, 2014
    Verified Purchase

    It's hard to evaluate IGR concentrate because I am using commercial spray can, diatomaceous earth, and vacuuming in combination IGR. California is having a problem with ants this year and fleas are a new feature of the season.

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Most Helpful Q&A's

October 18, 2009 Andrea asked:

QIs Precor IGR safe around dogs and cats?
I know you said Precor IGR is safe after it is dry. I have only hardwood floors in my house. Will it harm my dog who lays on them, even when it is dry?

ANo, once the Precor IGR is dry there is no worries about harm to a pet that lays on the surface.  Remember that Precor IGR is not an insecticide; it does not kill the insect.  It is a product that prevents adult insects from reproducing and is more of a pheremone type chemical that "messes" up the life cycle process of an insect.  It is very safe around children and pets and this is why it so popular to use these products in schools, day cares, and dog kennels.

28 of 28 people found this answer helpful.
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August 3, 2011 Lynn asked:

QWhat product can I purchase from you that can be mixed with Precor which will kill adult fleas?

ATengard SFR would be a great choice for flea control. Tengard SFR is labeled for broadcast sprays on carpets and other flooring and can be mixed with Precor IGR for flea control.

15 of 16 people found this answer helpful.
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November 29, 2009 Mary asked:

QI got Precor IGR on my skin. Is Precor IGR safe?
I read that methoprene (Precor IGR) is not toxic to humans. And it is found in some foods. I got this all over my body even in my hair and did not wash it off. What is the worse thing that could happen to me? Will I go bald and my skin sag?

AMethorprene (Precor IGR) is a very safe product that is non toxic to humans.  I'm sure you have showered off by now.  There should be no issues or worries with the product, it just needs to be washed off.

9 of 11 people found this answer helpful.
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September 28, 2012 Jeff from Beckley, Wv asked:

QIs it safe to apply Precor IGR to mattresses and box springs for flea control?

AYou do not need to actually spray the mattress and boxspring with Precor for it to effect fleas that may be hidden there. If you spray around the area where the bed is located the fleas will still be effected because of the unique molecules of this product. You should also thoroughly vacuum the bed to remove as many fleas eggs and larva as possible.

9 of 9 people found this answer helpful.
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June 21, 2010 Kristin asked:

QHow long does is take Precor IGR Concentrate to dry after application?
I need to treat 2 bedrooms, living room, and kitchen. I don't have anyplace in the house to stay while waiting for the product to dry, so I've got to find someplace to go. The length of time it will take to dry will affect my choice of place to go.

ATypically most liquid applications take about 30 mintues to dry.  Specific times will vary based on temperature in the home and other factors. 

8 of 9 people found this answer helpful.
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Most Recent Customer Questions

May 29, 2015 Rosie from New York asked:

QCan I spray Precor IGR on my dog bed?
I'm going crazy with this fleas infestation. I'm going to try precor 2000 and I just need to know if is safe to spray the dog bed. I'm washing every day in hot water and drying for 30 + min also vacuum every day. Change the bed twice in 21 days. I'm so tired. Please help

A

Yes, Precor IGR Concentrate can be sprayed on pet sleeping and bedding areas. This is just a growth regulator so it will not kill any fleas. It will simply stop their lifecycle.

Another option is to use Ultracide. It is very effective flea control aerosol that provides immediate kill of adult fleas and prevents formation of new adults from eggs or larvae. Ultracide dries quickly and will eliminate flea problems for up to seven months. This can be used on pet bedding and pet resting areas, as well as various areas where there is a flea infestation. This treatment will be done every 14 days until you no longer see activity. Make sure that you are still vacuuming daily as well.

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May 17, 2015 Tyler from Jackson, Mi asked:

QBaby fleas back 2 weeks after
I applied Precor mixed correctly in a pump sprayer and applied throughout my home. It's been about 2 weeks since the application and I've seen 2 very small fleas today. The pets are all on a prescription flea tablet which is administered monthly, and before we applied Precor we've bombed twice, and applied Ortho Home Defense Max 3x throughout our entire home and treated our yard with a spray treatment. We've been battling fleas for 3 months. Why after two weeks are we seeing a new batch after applying an IGR?

A Flea elimination indoors can take 2-8 weeks depending on the level of infestation. Indoor flea control will require you to use a mix of insecticides and also mechanical control methods. We recommend using at least 2 products to control fleas; an insecticide such as Onslaught Insecticide and an insect growth regulator such as Precor IGR. You can usually find an insecticide and an insect growth regulator together in a aerosol flea product. After 14 days, you should reapply the aerosol or liquid products to the carpets, rugs and pet's resting areas to control any newly emerging immature fleas. Severely infested areas may require a 3rd or even a 4th treatment in 14 day intervals.

1 of 1 people found this answer helpful.
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April 20, 2015 Meridith from San Diego, Ca asked:

QWe bought Zoecon Precor for fleas. How long after we spray can we put animals back ?
We have a two story house. Can we safely treat one floor and then put animals back while we treat the other floor or should we just get everybody out for some amount of time? Exactly how long before it is safe? We have 4 cats and an iguana. Thanks for your input.

A Pets can re enter a Precor treated room after it has dried. This will take approx. 1-2 hours. 

1 of 1 people found this answer helpful.
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March 9, 2015 Cary from Lutz asked:

QMy pest guy used Precor to treat bed bugs in my daughters bedroom. I see it is labeled for fleas. I am going to do it myself now. What liquid should I use in my sprayer?

A

We cannot comment on the treatments performed by a professional but can tell you that Precor is an IGR (insect growth regulator) labeled only for flea treatments inside the home. The manufacturer of the product has another IGR in their product line that is labeled for bedbugs and it is called Gentrol. We carry this product on our website. You will add this product to a liquid concentrate insecticide that is labeled for bedbugs. It will take multiple products for treating this insect along with non-chemical methods. Below is an article that you might find extremely helpful. We also provide free expert advice by calling 866-581-7378 M-F 9-5PM EST.

 

How to Get Rid of Bedbugs Article

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March 5, 2015 Matthew from Philadelphia Pa. asked:

QWhen mixing Precor IGR with Demon Max, what temperature should the water be?

A The temperature is not an issue when mixing most products such as Precor IGR and Demon Max but most of the time we suggest something along the lines of warm or room temperature water.

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March 1, 2015 Matthew asked:

QCan I use this product on a tile floor and leather chair?

A Precor IGR can be used on tile floor and furniture where fleas are found, such as a leather chair. You will mix 1 fl. oz. per gallon of water.

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February 6, 2015 Lyn from Sarasota, Fl asked:

QWhat is best way to dispose of leftover precor igf mixture?

A According to the Precor IGR label, you should call your local solid waste agency for disposal instructions. It is not recommended to put the product down any indoor or outdoor drain.

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February 6, 2015 Lyn from Sarasota, Fl asked:

QWill vacuuming after application reduce the effectiveness of Precor IGR?

A No, vacuuming will not decrease the effectiveness of Precor IGR. Depending on what you are treating for, you are supposed to vacuum more than normal.

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November 12, 2014 Arla from Beaver Springs, Pa asked:

QI ordered a bottle of Precor concentrate. How safe is this for humans?
I ordered it online and just received it. When I reached inside I felt wetness. The cap was broken. I washed my hands immediately but was worried as to the effects on me. I guess I just worry that if it can make fleas sterile and break down their development, well what can it do to us? So my question is do I have anything to worry about?

A Precor IGR Concentrate is a insect specific hormone and is relatively safe around humans. However, if you have skin contact with Precor IGR Concentrate the Manufacturer Safety Data Sheet states that you should wash with plenty of soap and water and if irritation persists, get medical attention.

1 of 1 people found this answer helpful.
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October 27, 2014 Matt from Texas asked:

QCan I mix Precor and Temprid SC together to be sprayed at 1 time for flea control?

A Yes, you can mix Temprid SC and Precor IGR in one sprayer. After your treatment, make sure to vacuum every day for two weeks and do a second treatment with Temprid SC only. Another treatment may be required after the two initial treatments. We recommend using these products in a pump sprayer

1 of 1 people found this answer helpful.
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