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Model #700740

Store SKU #139255

10 lb. 24-Hour Grub Killer Plus Granules

  • Delivers overnight results
  • Kills on contact
  • Also kills mole crickets, chinch bugs, cutworms and more
  • See More Details

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Product Overview

BioAdvanced 24-Hour Grub Killer Plus stops grubs and other listed pests from damaging your lawn. It works on contact and degrades quickly, delivering overnight results. Killing grubs and other pests has never been easier.
  • 24-Hour Grub Killer: Delivers overnight results by killing grubs in 24 hours
  • Kills on Contact: Active ingredient DYLOX kills grubs on contact
  • Plus Insect Killer: Also kills Ants, Ticks, Billbugs, Chinch Bugs, Crickets, Cutworms, Earwigs, Grasshoppers, and more
  • Prevents Lawn Damage: Use at the first sign of grubs to stop further lawn damage
  • This product is applicable for the following pest types: Grubs, Mole Crickets, Ants, Fleas, Ticks, Armyworms, Chinch Bugs, Crickets, Cutworms, Earwigs, Leafhoppers, Millipedes, Pill Bugs, Scorpions, Sowbugs and Pillbugs, Sod Webworms

Info & Guides

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10 lb. 24-Hour Grub Killer Plus Granules
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NameGrub Ex 15 lb. Season-Long Grub Killer10 lb. 24-Hour Grub Killer Plus GranulesAnt Shield Bundle
Pest Common NameGrubAnts,Crickets,Earwigs,Fleas,Grub,Moles,Ticks,WormsAnts
Application TypeGranularGranularGranular,Spray
Garden Pest LocationLawnsLawnsLawns
Safe for EdiblesNoNoNo
Concentrated or Ready to UseReady to useReady to useReady to use
View ProductView ProductView Product



Product Depth (in.)
15 in
Product Height (in.)
3 in
Product Width (in.)
10.25 in


Application Type
Concentrated or Ready to Use
Ready to use
Garden Pest Location
Included Items
Granules Only
Pack Size
Pest Common Name
Pest Control Type
Lawn Insect Control
Primary Active Ingredient
Product Weight (oz.)
160 oz
Safe for Edibles
Safe for Pets

Questions & Answers


Hello, does this product harm non-aquatic reptiles, like gecko's and other lizards? Separately, ...

Asked by Reader May 23, 2021

Yes, this product may be harmful to reptiles. We would recommend trying to keep them out of the area while applying and until watered in and allowed to dry completely. Once dry it is safe. If that is not possible we would not recommend applying. Jessica

what is the percentage of dylox in this product?

Asked by ed April 11, 2021

Hello Ed! The 24 Hour Grub Killer Plus uses 9.3 % Dylox to control listed pests. Jessica

Should I apply before or after aeriation and over-seeding in the spring and how much time should ...

Asked by Maria April 8, 2021

I certainly have an opinion however I would prefer to send you to the Bioadvanced customer service line 1-877-229-3724 to address this question.

Can i use this in my vegge garden

Asked by Garden April 4, 2021

I know this product works well in my lawn and decorative landscaped areas. Because of the sensitivity of this question I would suggest you call BioAdvanced customer service, 1.877.229.3724 with this question.

Can Grub Killer Plus be put down end of January in Central FL? It's for army/sod webworms.

Asked by Gardener January 3, 2021

As far as I know Army Worms, are a fall pest (in Florida) it's probably too late to treat now. If you have lawn damage cause by them, I'd repair that first, then apply this product late summer or early fall to prevent further damage.

I am still confused about my previous compost question and Jessica's response prompted another qu...

Asked by BadDog October 22, 2020

Unfortunately, we do not have any insecticides that we would recommend for use in your compost pile. If you have treated your lawn with the product and then added the clippings to your compost pile we would not recommend using the compost on or around edibles. Jessica

Can I use this in my compost pile if the compost will eventually be used in vegetable gardens?

Asked by BadDog October 21, 2020

I see no reason why not, it's not a herbicide so you will be ok.

Can I use this at the same time as reseeding in Early October?

Asked by Paulie October 9, 2020

I think the best thing to do is read the Instructions on the package. I used this for Grubs and I think for that you need to apply in spring, April/May. Good Luck.

Can i apply on 14 day old renovated law

Asked by Dwh October 7, 2020

Yes you may! The 24 Hour Grub Killer Plus is just an insecticide so it will not harm new grasses. Jessica

I applied this a few days ago and see some grubs laying dead on top of the soil. I also see a few...

Asked by MH October 2, 2020

The 24 Hour Grub Killer Plus does begin to kill grubs within the 1st 24 hours but it may take up to 6 days for complete death depending on the health and size of the grub. Jessica

10 lb. 24-Hour Grub Killer Plus Granules - page 2

Customer Reviews

  • 3.9
    out of 510 reviews
  • 71% recommend this product
Filter by:
Showing 1-10 of 510 reviews
After 24 hours no site of dead worms
It has been 24 hours and I have no sign of dead worms. Not sure if this product has fixed my issue.
by Anissa
Response from BioAdvancedApr 20, 2021
I am sorry to hear about your dissatisfaction with the product Anissa. While the product will begin to kill grubs within 24 hours, after being applied and watered in, it may take up to 6 days for complete death of grubs. We also recommend applying our Season Long Grub Control with Turf Revitalizer after 1 week to prevent further grub infestation for up to 3 months. Please be aware that our products are designed to kill grubs and other listed lawn pests but they will not harm earthworms. Earthworms are considered beneficial creatures as they help to naturally aerate your soil. I would like to hear more about your application and further assist you. Please give me a call at 1-877-229-3724. We are available Monday-Friday 7:00-5 PM & Saturday 8:30-5 PM (CT). Jessica BayerAdvanced
Grubs be gone
I’m a skeptic when it comes to stuff like this but the grubs have half my back yard thinned. I applied this and in the morning there were grubs everywhere. A lot weren’t dead but dying. The dogs root for grubs but later in the year it’s the moles or voles or whatever. I think regular applications of this and I may just get rid of them.
by Doug
Response from BioAdvancedApr 20, 2021
That is fantastic to hear Doug! Thank you so much for sharing your great results! Jessica BayerAdvanced
Disappointed where I don't see any dead grubs after 24 hours
I have an armadillo eating up my front yard.... where the front looks like a putting green. I went to Home Depot and talked to the person in gardening and they recommended this saying it'll kill the grubs in 24 hours. Needless to say, I don't see any dead grubs and am thoroughly disappointed.
by JR
Response from BioAdvancedSep 8, 2020
When applying BioAdvanced 24 Hour Grub Killer Plus, while the product does begin to work in the first 24 hours, death of the grubs can take up to 1 week. The product works by shutting down the digestive system of the grubs, so it can take some time for them to essentially starve and die. If you still do not notice grubs dying off after a week, please contact our Consumer Affairs team at 877-229-3724. We are available Monday through Friday from 8:30 AM to 5 PM CST. -Madison BayerAdvanced
1 person found this helpful
Armyworm problem solved in our Bermuda lawn
We have an acre Bermuda lawn and a couple areas began thinning out due to caterpillars (Armyworms). We tried other products (one other brand granular and then another spray), but had no success. By the time I did further research and bought the BioAdvanced Grub Killer (due to having Dylox in it), the problem was over the entire yard and you could find them everywhere, chewing the Bermuda to the ground. Within 4 hours of application and watering in, they were coming onto the driveway and dying. Problem finally solved and we'll be ready to apply earlier next year. We may do a second treatment with the 24 Hour Grub Killer or the Complete Insect Control from BioAdvanced in a few weeks to break the next cycle of these pests.
by SeanFLA
Response from BioAdvancedAug 31, 2020
Perfect! Thank you so much for sharing your success with the product Sean! Jessica BayerAdvanced
2 people found this helpful
Excellent product!
Excellent product!
by melydanygaby
Response from BioAdvancedDec 20, 2019
Brilliant! I am so glad that you have found a great product for your grub control needs! Jessica BayerAdvanced
1 person found this helpful
In late June early July I noticed I had tons of Japanese Beetles in my yard. I have never had thi...
In late June early July I noticed I had tons of Japanese Beetles in my yard. I have never had this issue before so I did some research and I discovered The best way to combat the beetle problem was to apply a grub killer in the second week in August. Although the directions say not to use a hand spreader it was all I had. I set the hand spreader to 3 and covered the entire yard with the product. Afterwards I watered it in by hand with a hose. Less than 16 hours later I had dead grubs all over my yard.
by Steve
Response from Bayer AdvancedAug 21, 2018
Wonderful! I am thrilled to hear about your success with 24 Hour Grub Killer! Jordan BayerAdvanced
10 people found this helpful
Decimated Grubs!
I have fought moles for years, tried all the organic solutions to get rid of moles and their food source. My beautiful yard was dying. I bought 24hour grub killer in March. I applied @10am. Watered. Checked at 3pm. Grubs crawling out all over the yard flowing into my driveway and the street. Grabbed tongs and a giant bowl. Picked up over 1500 over three days. Picked up over 500 in my back yard. Moles are gone. My yard has never looked better!
by Thankyou
Response from Customer CareMay 22, 2018
Fantastic! I am pleased to see that you have had such great success with 24 Hour Grub Killer Plus!
I like very much this product , it is very...
I like very much this product , it is very helpful
by Simorgh
Response from Bayer AdvancedJan 17, 2018
That is great to hear! 24-Hour Grub Killer Plus is a great way to help control an active infestation of grubs. You can also use Bayer Advanced Season Long Grub Control in the spring, to help prevent grubs for up to 3 months! Jordan BayerAdvanced
2 people found this helpful
OMG this stuff is AWESOME! Yesterday I was outside and noticed a bird picking up something white...
OMG this stuff is AWESOME! Yesterday I was outside and noticed a bird picking up something white and big and then dropped it. Well, low and behold, a huge grub was on the grass. I immediately went to buy your Bayer Advance Grub Killer 24hr because I have always used other products by Bayer in the past. Well, we put it down at 10am, lightly watered it right after, and by 5pm I had tons of grubs coming out from the grass along with other funky looking bugs. I HIGHLY recommend this!
by 78SeeYa
Response from Bayer AdvancedApr 5, 2017
Thank you for sharing your experience with us. We are happy to hear of your success after using 24 Hour Grub Killer granules. We look forward to helping you keep an insect free lawn for years to come. BayerAdvanced
14 people found this helpful
I have battled grubs in a small area of my art for three years now and until I used this product ...
I have battled grubs in a small area of my art for three years now and until I used this product with Dylox could I kill them. I recommend this product, I only wish I had know of it about three weeks prior to applying and then I could of avoided further damage. No other specictride worked even with applying it beginning in March!
by Vkearney
Response from Bayer AdvancedNov 14, 2016
Great news! Glad to hear you have finally gotten the grubs in your lawn under control. We appreciate the time you have taken to let us know of your success. BayerAdvanced
12 people found this helpful
Showing 1-10 of 510 reviews