Gentrol IGR Concentrate

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4.5 out of 5 stars Rating: 4.5

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Gentrol IGR Concentrate

Gentrol IGR Concentrate travels deep into wall cavities, cracks and crevices, reaching the stored product pests that other treatments miss. Hydroprene, the active ingredient, prevents stored product pest larvae from progressing to the pupal stage of development, so the larvae die before they become breeding adults and future infestations.

Gentrol Concentrate should never be used to eliminate a roach population by itself.

* Gentrol will not kill roaches...it only prevents them from reproducing.

* Use roach baits and roach sprays in conjunction with Gentrol Concentrate.




How Gentrol IGR Concentrate Works

Gentrol IGR (Insect Growth Regulator) Concentrate travels deep into wall cavities, cracks and crevices, reaching the stored product pests, drain and fruit flies, and fleas, that other treatments miss. Hydroprene, the active ingredient, prevents pest larvae from progressing to the pupal stage of development, so the larvae die before they become breeding adults – and future infestations. Cockroaches and bedbugs exposed to Gentrol will become adults incapable of reproducing.

Stored product pests encounter hydroprene the same way they encounter insecticides – traveling on or rubbing against a treated surface. Gentrol IGR Concentrate spreads out from its point of application, creating a much larger treated surface than conventional insecticides. Gentrol Concentrate should always be diluted with water when applying with a sprayer. Because Gentrol is an insect growth regulator and not an adulticide, it should not be used as the sole protection for target pests.

Target Pests

Roaches, drain flies, fruit flies, bed bugs, stored product pests

PESTS CONTROLLED WITH GENTROL IGR CONCENTRATE: Cockroaches, drain flies, fruit flies, bed bugs, stored product pests (including Indian meal moths, rice moths, tobacco moths, red flour beetles, confused flour beetles, lesser grain borers, merchant grain beetles, sawtooth grain beetles, warehouse beetles, cigarette beetles, and Dermestid beetles)

Target Uses

GENTROL, an Insect Growth Regulator (IGR), is a synthetic juvenile hormone "look-alike" which disrupts the normal growth development of bedbugs and roaches. Bedbugs and roaches exposed to the GENTROL IGR Concentrate will become adults incapable of reproducing, thus ending the cycle of an infestation. Use GENTROL IGR Concentrate in apartment buildings, hospitals, hotels/motels, residential homes, nursing homes, and marine vessels. Because of its broad labeling, Gentrol can be used in many sensitive areas where other sprays cannot. Gentrol is an excellent accompaniment to baiting programs for cockroaches, and it can be tank mixed with insecticides for treating bed bugs, roaches, or other listed pests.

Whether it’s used as a fogging agent or general surface spray, the long-term control of Gentrol IGR Concentrate is ideal for these sites:

  • Warehouses
  • Food Handling Establishments
  • Schools
  • Hospitals
  • Nursing Homes
  • Aircraft, Ships, Trains, Trucks

ACTIVE INGREDIENT: S-Hydroprene 9.0%

Gentrol IGR Concentrate Application Instructions

Use Gentrol as a general surface spray, fogging, spot, or crack and crevice application. Mix Gentrol Concentrate with diluent and apply with spray or hand application equipment, such hand-pressurized or power-operated sprayers capable of delivering general surface spray, fogging (space spray/mist), spot, crack and crevice spray applications, or with a paint brush, roller, or similar device.

Mix GENTROL IGR Concentrate with water and apply with spray or hand application equipment, such as hand pressurized or power-operated sprayers capable of delivering spot or crack and crevice spray applications.

Dilution Preparation:
For spot and crack and crevice preparations:

Use 1 ounce of GENTROL IGR Concentrate to 1 gallon of water. Partially fill the mixing container with water, add the GENTROL IGR Concentrate, shake or stir, and fill to final volume. Use diluted solution within 48 hours of mixing. Shake or stir before each use.

Spot and Crack and Crevice Applications:

Apply GENTROL IGR Concentrate diluted spray solution using either a pressurized spray system capable of delivering a pinpoint or variable spray pattern or a device capable of coating evenly. Make crack and crevice applications directly to areas such as crevices, baseboards, floors, ceilings, or walls. Make spot treatments to areas such as storage areas, closets, doors, and behind and under furniture and beds. To treat bedbugs, apply to harborage points mentioned above; in addition, under beds, bottom side of box springs (do not treat linens and mattresses), under and behind night stands, to points where carpet and wall meet, cracks in cove base, molding, and other areas where bedbugs harborage.

Gentrol Concentrate may be tank mixed with an adulticide currently registered for use, unless the product label prohibits such use.

Gentrol Concentrate may also be converted to a foam. For best results, use the higher amount of the foaming agent rate range.

Always read the product label completely before use.

Each 1 oz. bottle yields 1 gallon of finished solution. Each 16 oz. bottle yields 16 gallons of finished solution. 1 gallon of finished solution covers 1,500 square feet of surface area.

Standard Application Dilution rates / Mixing Ratios for Gentrol IGR Concentrate

  • 1 fl. oz. (30 mL)/gal. of water – surface, spot, or crack and crevice applications
  • 1 fl. oz. (30 mL) per 12,000 cubic feet – fogging applications

Gentrol IGR Concentrate is for use in the following areas:

Apartment buildings, bakeries, bottling facilities, breweries, boiler rooms, cafeterias, candy plants, grocery stores, day care centers, hospitals, residential homes, hotel/motels, office buildings, kitchens, laboratories, cereal processing facilities, manufacturing plants, mausoleums, meat and produce canneries, nursing homes, restaurants, schools, locker rooms, stores, taverns, warehouses, as well as various modes of transportation such as aircraft, buses, trucks, trailers, rail cars, and marine vessels; food and non-food areas of food-handling establishments.

Indoors

Fogging Application: Apply Gentrol Concentrate as a fog or an ultra-low volume (ULV) mist with equipment such as ULV, mechanical misting sprayers, aerosol generators, or thermal foggers to achieve uniform coverage. Apply at a rate of 1 ounce Gentrol per 12,000 cubic feet. Use water or oil as diluent, depending on the type of equipment used. Fogging applications are best for larger facilities including warehouses. Close room or warehouse and shut off all ventilation systems. Apply the product in the air and direct mist toward all areas that may harbor target pests. After treatment, leave the room closed for 30 minutes or longer as recommended by the equipment manufacturer or the labels of other products applied in tank mixing. Do not remain in treated area; ventilate before reentry.

Bed Bugs: Apply to harborage points mentioned above; in addition, under beds, bottom side of box springs (do not treat linens and mattresses), under and behind night stands, to points where carpet and wall meet, cracks in cove base, molding, and other areas where bedbugs harborage. Retreat at 14 days for heavy infestations. Gentrol cannot be used as the sole treatment for bed bugs.

Drain Flies, Fruit Flies: Apply Gentrol to areas of fly breeding. For drains, apply product into and around the downspout and catch basin area. Coat these areas thoroughly as fly larvae develop in the scum buildup on the sides of drain pipes. Repeat applications at 2 to 4 week intervals depending upon the severity of infestation.

Pantry/Cabinets, Small Food Storage Areas: Apply as a surface spray, crack and crevice spray, or spot treatment to pantry and cupboard shelves or other areas where food is stored. Prior to spraying, remove all food containers and foodstuffs. Do not replace food containers or foodstuffs until spray has dried. Do not store food in open containers in treated pantries. Destroy any infested food packages to ensure proper control.

Outdoors

Gentrol IGR Concentrate is not intended for outdoor use because it is not photostable (the product breaks down quickly in direct sunlight).

Gentrol IGR Concentrate Features

  • Contains the insect growth regulator (IGR) hydroprene, which disrupts pests’ normal growth pattern.
  • The only IGR labeled for use as a spot and crack-and-crevice treatment in all areas of food handling establishments.
  • May be applied as a general fogging agent or general surface spray.
  • Long-term control – 120 days.
  • Breaks the endless clean-out/reinfestation cycle.
  • Also targets cockroaches.
  • Easy dilution rate.

Extra Tips

  • Use diluted solution within 48 hours of mixing. Shake or stir before each use.
  • When tank mixing with adulticides, be careful to match coverage areas of finished solutions. (Many insecticides are applied at a rate of 1 gallon of solution per 1,000 sq. ft.)
  • Do not apply directly to food or food-handling surfaces.
  • Gentrol is for indoor use only.
  • Not for use as the sole protection from listed pests, especially bed bugs and cockroaches.
  • Gentrol IGR is also available in a convenient ready-to-use aerosol or the discreet point source stations.

Rating Snapshot

5 stars   96
4 stars   22
3 stars   6
2 stars   2
1 star   7

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Average Customer Rating
4.5 out of 5 stars (133)

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Most Helpful Customer Reviews
  • 68 of 73 people found this review helpful:

    4 of 5 stars  This product works! Thank Goodness!
    By Eve in Cocoa Florida on 05/16/2010
    Verified Purchase

    My sons roommate picked up an old sofa-bed for his room. It had bedbugs! My sons house became infected before anyone knew what happened. No one in our family had ANY experience with these horrible creatures! He ordered from your company and was pleased. Then, the little buggers found their way into MY house, probably because while he was treating his house, we kept our granddaughter with us, of course bringing along some clothes and toys! They really got after my husband because he has a very warm body. We ordered your product and are very pleased! We haven't seen any bugs in 3 weeks, I have one more spraying to do. You should spray at least 3 times, 10 days apart. The odor was affordable, the directions good, and best of all, IT WORKS!

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  • 55 of 57 people found this review helpful:

    5 of 5 stars  This works!
    By J. in New York, New York & Oklahoma on 05/22/2011

    A few years back our Queens, NY apartment became infested with bed bugs. The landlord called an exterminator, who treated our apartment about four times. One of the exterminators (then sent a different one each time) told me that the bug spray mix wasn't really meant to get rid of bed bugs permanently, just put them into temporary hiding. After the four or so treatments, we still had the bedbugs. I decided on this product after reading the literature that was available then. It turned out to work. After one treatment of this, the bed bugs slowed down, and after two they disappeared. I think I did this for a total of three times, and we never saw the bugs again. I had purchased the whole box and had most of it left after treating my apartment three times. Needless to say, the entire box of the Gentrol IGR cost less than a single visit from a NYC exterminator. As an added benefit, Gentrol IGR also fubars roaches. I now use it on my own commercial property for roach control, and for me, it is more effective (by killing the bugs and by cost) than hiring the bug company.

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  • 52 of 56 people found this review helpful:

    5 of 5 stars  It's just works!
    By Kahina in Brooklyn,Ny on 10/22/2010

    This stuff works! I'm soooo glad to have found your website and to have found something that actually works immediately. I just moved into an apartment the 1st of this month where it unfortunately had roaches. I couldn't sleep when I noticed the apartment had them; I'd never lived with these ungodly creatures before. I purchased this product along with the Drione and they did the trick! I think my landlord is amazed but he won't let on. He's been paying an exterminator to visit twice a month. This stuff works, the exterminator is a waste of his money. It's been three weeks and I'm more than happy to say that I can rest peacefully.

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  • 50 of 51 people found this review helpful:

    5 of 5 stars  The Best.
    By Chris in New York City on 07/04/2010

    I used this stuff to get rid of bedbugs -- it's the only thing that really worked because it's a genetic disruptor and breaks their life cycle. It had the added bonus of breaking the life cycle of every other insect also -- so I haven't seen a roach or a fly ever since I used it. What an awesome product.

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  • 37 of 40 people found this review helpful:

    5 of 5 stars  Gentrol IGR Genetic Warfare for Roaches :)
    By Tim in Clute, TX on 05/02/2012
    Verified Purchase

    I sprayed this down by itself a few days before performing my German Roach Normandy beach mission and I felt like I was on a secret mission to disrupt the worldwide roach population. This Gentrol with MaxForce FC Magnum bait and some Demon WP completely decimated a 20 year German roach problem in South Texas. All three totally killed every bug in the house, haven't seen or heard a peep for over two weeks and for the first time ever, I can say that they are gone with absolute certainty. Still got a spray bottle left in reserve just in case they ever try a counterattack. Thanks for an amazing product and very fast shipping.

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Most Recent Customer Reviews
  • 5 of 5 stars  Something worked
    By Tammy in Dayton,KY on 10/18/2017

    Ok, I'm not one to do reviews....BUT....something worked!!! I live in the city and the neighbors got evicted AND WERE INFESTED WITH ROACHES!!! The landlord took the kitchen cabinets out of the house and slammed them on the ground and roaches went everywhere!!! Long story short, they got into my house!!!!!!!!!! I was freaking out!! My daughter is allergic to them! I honestly don't know what worked because I used temprid sc, fenvastar ecocap, boric acid, diatomaceous earth, delta dust, and gentrol....one or all of those worked!! It was not over night. It took about a month, but it did work.

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  • 5 of 5 stars  gentrol igr
    By Sue in Conroe Texas on 10/07/2017

    Love this stuff! great for big tree roaches! Haven't used in about 2 years and now I'm seeing them again. This stuff takes care of this problem.

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  • 1 of 1 people found this review helpful:

    5 of 5 stars  Doesn't kill bugs, but is essential to the process
    By C in NYC on 09/28/2017

    Some reviewers are confused. IGRs are not pesticides. They do not kill bugs directly. Instead, they keep the bugs from maturing properly and reproducing. (Some of those immature bugs will die from their deformities, but that's not the point.) When used in conjunction with other methods, IGRs work quite well. (The other methods vary according to the insect you're targeting, but they include appropriate pesticides, caulking up any cracks in the home, and removing clutter from outside and inside.)

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  • 1 of 1 people found this review helpful:

    5 of 5 stars  roaches and bedbugs
    By Nicole in erie pa on 09/15/2017

    I got a used rolled up area rug from a friend and next thing I knew I had roaches. Called an exterminating company. They came for six months. They kept they population way down but didn't seem like it would end up being a permanent solution. Found this website and used the Gentrol along with gels and bates and the were gone in a month! Two months ago my daughters friend spent the night and when her mom picked her up she said "oh by the way we have bedbugs" yeah she really said that....six days later I saw what looked like a nymph on my shoulder. I sprayed with IGR mixed with Temprid SC. I saw what I believe was another nymph a couple days later and almost two weeks bites showed up on those spots. I am spraying still 8 weeks later but have seen nothing since. I know there probably weren't many but I'm continuing to spray. This stuff works great. Highly recommend!

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  • 1 of 1 people found this review helpful:

    3 of 5 stars  Great product
    By Dorothea in Providence on 09/07/2017

    I am very impressed. It works well and is cost effective. Will continue to shop here.

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  • 1 of 1 people found this review helpful:

    4 of 5 stars  Genteel IGR concentrate
    By Deborah in Seguin on 08/17/2017

    I have seen a few different looking roaches. Hope it affects everyone of them. Too early to tell

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  • 5 of 5 stars  Bug Buster
    By Sam in 301 E 23rd st, Panama City,FL on 08/16/2017

    Very faster service at reasonable price. I have been ordering the pest control product since so many years I NEVER had any problem. one time the liquid leaked out in the mail but they replaced the whole order at the same charge. GENTROL IGR is very good and very effective. Very good product to control the bed bug and other pests. THANK YOU GENTROL IGR!

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  • 5 of 5 stars  Satisfied customer
    By S in NC on 08/14/2017

    Good product used for drain flies. Prompt delivery. Have ordered several times. Thanks

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  • 5 of 5 stars  Gentrol IRG
    By Gina in Chunchula on 08/10/2017

    I highly recommend this product works awesome. It gives you results quickly and this is the only product that has ever given results like this.

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  • 5 of 5 stars  Great Service
    By George in Banks, Al 36005 on 08/07/2017

    This product is at a great price. Really appreciate the very fast shipping. Will have lots more business from me

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Most Helpful Q&A's

03/14/2010 Patrick

QCan Gentrol IGR concentrate be diluted with other insecticides?

AYes, Gentrol IGR concentrate can either be applied by itself in a gallon of water, or you can mix it directly with any other insecticide you happen to be spraying with.  The Gentrol IGR comes in 1 ounce vials, which is the exact amount you need to mix with each gallon of water or gallon of other insecticide.  1 ounce or 1 vial of Gentrol IGR per gallon of water.

105 of 107 people found this answer helpful.
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11/20/2012 Joel from Sunnyside,ny

Qcan I spray gentrol on all the walls and ceilings in my apartment?
I have small kids and am worried once the Gentrol dries if the residual is bad for them if they touch the walls? Also I have pets, what happens if I spray the floors, will the residual affect my dogs?

AYou should apply the Gentrol IGR as directed on the product label, directly into cracks and crevices around door frames, window frames, baseboards and under appliances. There is no need to spray the entire wall, ceiling or floor. All children should be out of the area during the application and they can safely return to the treated as soon as it has dried. The dried residual will not have any effect on people or pets even if they touch it. Also, by applying the product directly to cracks, crevices, voids and other inaccessible areas you will be limiting anyone's exposure to the product.

71 of 74 people found this answer helpful.
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10/19/2010 George

QIf bed bugs walk over dried Gentrol IGR, does it work? Or does it have to be sprayed on a live bedbug?
Does it work with all roaches? If yes, which ones?

AGentrol IGR does not have to be applied directly to bed bugs or roaches to work.  It has a residual that can last up to 4 months, so it can be picked up by bed bugs, roaches, drain flies and pantry pests long after it dries. It will work on all species of roaches.

69 of 72 people found this answer helpful.
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08/08/2010 Anna

QCan you mix Gentrol IGR Concentrate with Phantom Insecticide?

AYes. Gentrol can be mixed with most insecticides with no problem.

58 of 60 people found this answer helpful.
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08/08/2010 Anna

QCan you mix Gentrol IGR Concentrate with Temprid SC?

AYes. Gentrol can be mixed with most insecticides with no problem.

56 of 60 people found this answer helpful.
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Most Recent Customer Questions

03/21/2017 Linda from Santa Ana, Ca

QWill Gentrol IGR get rid of drain flies?
We had a leak under our raised foundation which was fixed 3/1/17. The water had seeped quite far. We still have drain flies even though the rain has stopped and it has warmed up. They are even in our bathroom. I am killing 5-6 nightly. Will they ever go away?

A

Gentrol IGR Concentrate†is†an insect growth regulator not an insecticide. †This product is used to stop the reproduction cycle of insects. †It will not kill the insects. †Gentrol can be used in conjunction with an†insecticide to treat an infestation. †If treating for drain flies we would suggest you use our Drain Fly Kit to get the best results. †

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03/14/2017 John from Springfield, Ohio

QAre there any areas that should not be sprayed with Gentrol? I will be treating food areas, nursing homes, and schools.

A

Gentrol IGR Concentrate is labeled for crack and crevice applications in food handling areas, Depending on the pest you are treating for, the other the application sites can vary. Please be sure to check the product label for the exact application sites for the pest and area you are treating.†

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03/13/2017 Tw from Ny, Ny

QWhat is the shelf life of Gentrol IGR Concentrate once it has been opened?

A

The shelf life of Gentrol IGR Concentrate is 3-5 years from the date of purchase if stored at room temperature.†

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02/26/2017 Tommy from Indianapolis, In

QIs Gentrol IGR safe around kids?
I just bought this product along with some point source for bed bugs, I intend to use the spray for the beds and furniture but is it ok to spray the beds the kids sleep on? And if so, how long should I wait before the kids can be in contact with the treated furniture and beds?

A

Gentrol IGR should be applied to interior cracks and crevices when the children are not present. Once the treated surfaces are completely dry then they can return.Gentrol Point Source Stations are labeled for roaches and stored pests and not bedbugs. Gentrol should not be the only product used to eradicate bedbugs and it should not be applied to areas of furniture that will have future skin contact. Please take a few moments to review our treatment article and videos on How to Get Rid of Bedbugs for a successful bedbug eradication program.

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02/21/2017 Sasha from Minneapolis, Mn

QCan I mix more than 1 oz. of Gentrol IGR in a gallon of water?

A

Gentrol IGR Concentrate†should only be mixed as directed on the product label.† Using more than what is recommended does not make the product work any faster or better.†

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02/10/2017 James from Austin, Tx

QHow does Gentrol work in a drain?
I see this says it will work against drain flies.

A

Apply Gentrol IGR to areas of fly breeding. For drains, apply product into and around the downspout and catch basin area. Coat these areas thoroughly as fly larvae develop in the scum buildup on the side of drain pipes.Repeat applications at 2 to 4 week intervals depending upon the severity of infestation. For more information on treating drain flies, please read our treatment article on How to Get Rid of Drain Flies.†

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01/12/2017 Sheryl from Marysville, Oh

QWhat IGR do you recommend for springtail that are indoors?

A

Spring tails can be tough to eliminate because they reproduce very quickly. †There are no IGR's that are labeled for springtails. †In almost every case where people have spring tails they also have a moisture problem such as a leaking or sweating pipe, poor ventilation in their crawl space, lots of wet mulch right up next to their house, etc. You must locate and correct the moisture problem to get rid of the spring tails, insecticides alone will not do the job.

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01/06/2017 Lilah from Sigel, Illinois

QWhat are the ingredients in Gentrol IGR Concentrate?

A

Gentrol IGR Concentrate contains 9% S-Hydroprene as the active ingredient and 91% inert ingredients. The manufacturer is not required to disclose the inert ingredients.† For specifics on the inert ingredients please contact Zoecon directly at 800-248-7763.

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12/20/2016 Armando from Nc

QIs Gentrol IGR Concentrate bad for human health?

A

No, Gentrol IGR Concentrate will to only affect the pests listed on the label. It will not have any effect on humans.†

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12/04/2016 Danielle from Houma La

QCan this Gentrol IGR be mixed with Fenva star EcoCap
It seems as we are at a never ending battle of bed bugs. We have not seen any in 2 months. Then, "bam" we saw 2 on ceiling and one on a book sitting on kitchen table.. I am so exhausted... Please help..

A

Gentrol IGR can be mixed with any insecticide. It is the only birth control that has been shown to work on bed bugs, however it is not 100% guaranteed to work every single time in every home. †Sprays alone are not enough to eliminate bed bugs though as they cannot be used in all the areas that you need to treat for bed bugs. †We have a great guide here that explains all of the necessary products and application.

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