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Gentrol IGR Liquid Concentrate

Walt Cline - Pest Control Professional Pro Tip: "As much as I love what Gentrol does to stop roaches, there is a new insect growth inhibitor on the market called Tekko Pro. It not only has the juvenile hormone like Gentrol it also contains Novaluron (a chitin inhibitor) This will not allow the roach to molt, increasing its effectiveness."

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Gentrol IGR Liquid Concentrate
6 Review(s)

Availability: In stock

Prop65 California Proposition 65 WARNING

Gentrol IGR

Gentrol IGR Liquid Concentrate - 1 oz/box of 10

  • Buy 10 for $61.10 each and save 6%
Gentrol IGR

Gentrol IGR Liquid Concentrate - 16 oz

  • Buy 2 for $78.24 each and save 2%

Customer Reviews 6 item(s)

6 Item(s)

Works great
Used with MGK Onslaught and MGK Exponent to rid my home of springtails. One application worked in approximately 2 weeks. Better price than Amazon.
Review by Jim / (Posted on 1/27/2020)
Gentrol for bed bugs.
I mixed this with Transport Micron to help with my battle against bed bugs. I also mixed it with Temprid SC(?), alternating between the Transport Mikron. Haven't done but 2 applications. Seems to work great.
Review by Liz / (Posted on 10/2/2017)
This is a excellent product. I Have used it many times, I use this with a combination of Feventastar eco cap. No sign of roaches. I spray 2 or 3 times a week, No roaches. I would recommend both products.
Review by fanguide / (Posted on 11/27/2014)
Good Stuff
Although it seems to be getting rid of the roaches, it seems to be taking some time to do this. But I must say that we did have a pretty bad infestation of german cockroaches. It appears that as long as I am persistent and keep spraying the gentrol, the more the cockroaches seem to disappear.

DIY RESPONSE: Yes you are correct. Gentrol is a slow acting form of control because it works by breaking the reproduction cycle. It makes the adult roaches sterile so that they are unable to reproduce into new roaches. It doesn't kill roaches directly and that is the reason you see such a slow steady decline in the population.
Review by curlyflash / (Posted on 10/14/2014)
Chemicals are Chemicals
Like I said above, The best thing is DIY ordering is easy and good quick delivery, so far safe use of credit cards. When I have a question I just ask. With roaches the best solution is clean up the garbage if possible, and then stay on top of it, a good clean spray will start the elimination process fast. Remember to change your poisons every couple of months. Roaches are tough little boogers.
Review by Mike California / (Posted on 10/2/2014)
Awesome product
I absolutely hate cockroaches and I have finally found the solution to keep them out of my house. Used Gentrol with the Phantom insecticide to spray and bam, no more cockroaches inside. My boyfriend is enjoying me not running and screaming out of the room every day because there's a cockroach. It's the little things.
Review by Sarah / (Posted on 3/11/2014)

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