Tomcat Bromethalin Bait Chunx — Rat and Mouse Control Blocks for Agricultural Use, 4 lbs.
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Availability:
Only 10 left in stock, order soon!
Arrives
Tuesday, Oct 20
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Style: Bait Chunx
Features
- Tomcat with Bromethalin Bait Chunx are for agricultural use, and must be used within 100 ft. of man-made structures
- Norway rats, roof rats and house mice cease feeding after consuming a toxic dose
- Kills up to 12 mice per 1 oz. block
- Kills up to 10 rats per 4 oz. of blocks
- Bait stations are mandatory for outdoor, above ground use; bait blocks applied where children, pets and non-target animals may have access must be placed inside tamper-resistant bait stations, sold separately
Description
Tomcat Bait Chunx are extremely effective in killing anti-coagulant resistant Norway rats, roof rats and house mice. Each 1 oz. bait block can kill up to 12 mice. Each 4 oz. of bait blocks can kill up to 10 rats, helping you take care of your rodent problem before it becomes an infestation.
Item Form: Pellets
Item Weight: 4.2 pounds
Active Ingredients: Bromethalin
Brand: Tomcat
Target Species: Mouse
Brand: Tomcat
Unit Count: 64 Ounce
UPC: 048745222448
Global Trade Identification Number: 48
Included Components: Pest Control; home-pest-repellents
Item Type Name: 4Lb Mouse Bait Chunx
Manufacturer: The Scotts Company LLC
Model Number: BL22244
Part Number: 008-22244
Item Form: Pellets
Target Species: Mouse
Item Weight: 4.2 pounds
Active Ingredients: Bromethalin
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Oct 20
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Wow, so we had a rain storm here in Florida, during a massive community wide garage sale. Our garage doors were open and we saw this giant, I mean large rat run in from our mulch bed to our garage. Everyone panicked lol. It was like a scary movie. First night I tried some good mousetraps (20 bucks for 6 of them, they were legit ones with claws on the snapper etc, but the rat was able to get the peanut butter and set off the traps but they weren't going to get him. So I ordered two tomcat boxes as well as a pail of the tomcat feeding pods (the 4lb pail of green pods). I placed two of these black boxes which are pet safe for dogs and cats, along the walls of the inside of my garage. The morning after I placed them, I opened the first box and sure enough, two of the tomcat pods had been chewed on. That was Tuesday night they were placed. Wednesday morning I checked the box and saw it nibbled on. I told my wife on Wednesday night that we should expect anytime from Thursday to Sunday, this rat to be dead. I said 1 of 2 things is going to happen, this rat I saw twice, run up to a ceiling rack in my garage as I heard traps going off late at night and I ran over to the garage to check out if they got it. Well, I said it's 1. Going to fall out of one of the racks once this poison takes over. Or 2. It would die in the rack, or perhaps it's on the shelving or somewhere else in the garage at the time it hits it. You never know where those things are because they hide. It's Thursday morning, I hear this scream and I didn't know if my wife was being attacked but within two seconds I realized she was going out to work. The rat had dropped out of the ceiling rack and slid off her SUV as she backed out. Not kidding. I said to her this was best case because we didn't have to be spooked taking things off our ceiling racks and all our shelving searching for a dead rat. I kid you not. It was sitting on our driveway and I scooped it up in to a small box and disposed everything in a sanitary way. So pleased with this stuff. First night, it lured the rat. It says it works off one feeding and after 1-4 days of the feeding. We experienced this all just as it said it would happen. I could not be happier. Two tomcat black boxes and one bucket of this stuff was just over fifty bucks. The cost for an exterminator would have been far more, I have enough of this now for a long time. I am so happy we went after it before it got inside the house by eating through the drywall of the garage and did major damage to wiring etc. It actually in just the first night, had eaten off and shredded the weather sealing on about 6" worth of it, on our door in our garage that leads to the house. Shredded it. It was a panic in the home for a few nights here but this was the perfect remedy and it's addressed. GREAT product!!!!! Follow the directions, couldn't have been easier. In 2 minutes I had the box and poison pods on the rods, all done. It worked EXACTLY as it said it would.
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Reviewed in the United States on October 15, 2020 by Evan
Wow! This stuff arrived fast! Ordered on the weekend got it on Monday. Gotta love Prime. Tastes great! A bit like oatmeal. Makes me thirsty, gives me a headache, and makes my teeth look green. LOL! But overall not too bad. Might taste even better with raisins. I’ll let you know. ...All jokes aside, I think it works pretty well. I had a rat problem in my attic. I could hear them running, scratching the wood, and fighting (yeah, rats fight and it’s loud). Sounded like a high school wrestling meet in my attic. So I climbed into my attic with this Bromethalin poison and tossed about 4 blocks (the first package I had only had 8 blocks in it) around. At the time, I actually saw the rat. My headlamp froze it like a deer for a moment. It stared at me and I stared at it. So I KNEW I had a customer for this stuff. That night, I laid in bed and heard them scurrying around as before. The next afternoon, I climbed back up there and ALL the bait blocks were gone. Rats will collect food and store it for later like squirrels, so I couldn’t be sure if they’d eaten it. 2 nights later, NO NOISE AT ALL up there. Since then, I’ve installed a couple cameras in the attic to monitor for pests and have seen one, lone rat. So keep in mind rats are absolutely incredibly intelligent (that’s why psychologists use them in the lab) and they have the ability to learn from each other. If one rat sees another rat caught in a trap, they will avoid those traps. If one rats sees another eat poison and die, they’ll avoid that poison. So you have to expect to take a multimodal approach to eradication. I use this poison in conjunction with the wooden (Victor M102) snap traps and even Conibear 110 traps. Since these things are smart and cautious, I try to use different methods at once to catch them off guard. Anyway, all that said, I noticed a rapid reduction in rat activity. This bucket is my refill since I used up my original 8 pack. I recommend this poison because it’s not an anticoagulant that most rats can tolerate. It’s a neurotoxin and there’s no known antidote. Also, I HIGHLY recommend using bait boxes. Don’t just toss it around like I did because you won’t know if/when they ate it or just stashed it. Also, this stuff will kill your pets and children.
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Reviewed in the United States on February 6, 2018 by totallyfrozen
seems to work great and it will not poison any other animals that eat the dead mice
Reviewed in the United States on August 14, 2026 by ken
We went on vacation for a month to Thailand (Jan 2024) . Our cat was put in an “ Pet hotel” for a month so if the cats away the mice will play….. we came home to a friggin mess. Mice got into everything everywhere even up in the attic. Man they ate the blue soap out of two boxes of Brillo , ,like 24 pads . Steel wool was everywhere ,They ate into the dry cat food bags, 10 lbs of food gone in a month. I found the hole in the floor they made ,sprayed that insulation foam and used plywood on top to seal it up. The first night back from our awesome vacation was hell. The mice were partying in the attic and in the crawl space, Scratching and making all sorts of noises, my wife was buggin out. we didn’t sleep at all . For a few hours I read reviews of dozens of “pest control” products, I decided to purchase this Tomcat Stuff at 3am. Within 12 hours we got it delivered. 3pm I strategically placed about 10 blocks in the corners in the attic, and 10 blocks in the crawl space. It’s now been 6 hours (9pm ) and we don’t hear ANYTHING ANYWHERE . After reading hundreds of more reviews 6 hours since the placing the blocks around ,I don’t think anyone has seen results this fast. Fingers crossed for a peaceful night. As the title says ,,,So far So good, !!!! Rick
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Reviewed in the United States on February 26, 2024 by rick langer
The active ingredient in this rodenticide is bromethalin. Unlike first and second generation rodenticides which function as anti-coagulants, bromethalin is a neurotoxin, making it far more effective and faster. First and second generation rodenticides usually require a rat to eat quite a bit of the poison, then you have to wait another 5 to 7 days for the creature to die. Usually more than a week passes before the creature died. This doesn't sound like much, but a week of damage in your garden or in your house can be rather significant. With Bromethalin, one single lethal dose is all that is required to kill the creature. The rat usually dies around 3 days later. Bromethalin, because it is so effective, is also very toxic to humans and pets, so it is far more likely to affect non-targeted creatures too. You will need to wear gloves as it can be absorbed through the skin. Be careful not to inhale small dust particles, although that is unlikely to happen as it comes in blocks. There is no antidote available for Bromethalin poisoning, should someone ingest it, so be very careful if you have kids or pets in the backyard. Unlikely first and second generation rodenticides that are generally less toxic to groundhogs and opossums, bromethalin will kill them. They are not meant to be used that way and it may even be illegal in some areas to kill these creatures using bromethalin, so try not to leave these lying around in your garden in the open. You might end up with more than just dead rats. The same goes for any pets in the area. It is advisable to only use Bromethalin in suitable devices that have a small hole large enough for mouse or rats. Bromethalin is an effective tool for controlling the population of mice and rats in your garden. I really like this product as it is effective, yet affordable too. I find that I use less of this compared to less effective rodenticides. I prefer the blocks compared to the small rice-like granules packets. The granular packets often contain too much bait every per packet. The blocks are much easier to spread and are a smaller portion too. They fit well in mice traps. Using one or two at a time is enough for a particular spot, so they last a long time. There is one thing to note: These are best suited for outdoor or garden use. The reason is that if you use these indoors, the rats are likely to end up dying behind a wall, in the air vent, or in some unknown corner of the house. The smell is not pleasant and can last for a few weeks. If you are looking to handle mice that are inside the house, I would recommend getting an electric mouse trap. That way, they do not end up rotting behind some furniture or wall. This rodenticides are best reserved for outdoor use.
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Reviewed in the United States on October 31, 2024 by JT
Okay, I see one star to 5 stars. I am not a company spokesman but I can tell you few thing about rats. Number one they are smart, much smarter than you think. I live in the city with restaurants not far from my home and surrounded by neighbors with dogs and cats, rats love to eat their food too. The best poisons are long gone; the government forced them off the market. This is the same bait used by pest control companies. The EPA ban all other poisons several years ago. What you should know is rats are territorial, Once you have killed out one colony another will soon move in if there is a food source. The best method of removing rats is to get rid of their food source. If that is not possible then you need to poison them. Traps don't work. Why? When one rat is caught the other will avoid the traps. Also, you need to make sure it is rats or mice that are eating your bait. My bait was disappearing every night. I set up my game camera only to find possums and raccoons raiding my bait stations. I had to come up with something different. I used a 4 foot long 3.5 inch PVC pipe, blocked off the end to a point that a raccoon or possum could not get into my station. I secured the pipe so that it could not move. I only bait at night. Generally, rats are nautical, they move and feed at night. After I set this station up I started to find dead rats. The one thing about using this poison is that the rats don't usually avoid it but they wander off and die. The other rats are not suspicious of the bait. Mice and rats can reproduce every 90 days and have 8 litters every year. The mice/rat gestational period is only 21 days. You'll never ever get rid of them completely. The trick is to control the population. There is no one who hates rats more than me. I have learned how to keep them under control, but we'll never get 100% rid of them. The best way to control is to eliminate their food source and your neighbors should be doing the same. UPDATE: after only three days the rodent damage stopped, I am not seeing rodents on my camera. I will continue to keep the bait out but this has worked 100%. As long as your neighbors keep feeding their pets outside rodent will keep coming. Control the problem. Your neighbors are not going to change their ways, but you can keep the rodent at bay by baiting them.
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Reviewed in the United States on September 2, 2017 by billhigh67
We live in the woods and living with nature is just part of the deal. Things had been fine forever, but something changed in the last few years and rodents seemed to overpopulate and take over and become very aggressive. Mice, chipmunks, and squirrels started breaking into the attic and crawlspace causing thousands of dollars of damage to the insulation and to the heating and air conditioning ducts. Mice in the house were eating food and clothing and destroying lots of other stuff. Voles were eating plants in the garden and mice in the garage were eating and destroying things. Chipmunks had caused broken sidewalks and driveways with their tunnels undermining them and they had even tunneled under the foundation footing to come inside the crawlspace and chewed into many of the HVAC ducts. There were nuts and acorns in the ducts and all over the crawlspace. I really don't want to kill things so I tried all of the humane ways I could find to exclude and repel them but nothing worked. Finally when I discovered a rodent nest inside one of the heating ducts and realized that we were obviously breathing their hair and feces as it blew the air into the house, I decided enough was enough and it was time to take serious action. I stuck with mouse traps in the house because we didn't want poisoned ones dying in the walls or house. Outside and in the garage I tried this product. First I tried using rat traps to catch the squirrels, but didn’t catch a single one in a few weeks, so then I figured maybe I had to go with poison even though I thought it must be a terrible way to die. I researched the different poisons and thought that the common anti-coagulants seemed the worst—dying from internal bleeding. Finally I settled on Bromethalin thinking it might be the “least bad” of them all. And that’s how I ended up choosing these Tomcat Bait Chunx. First, yes I know this product is not labeled for squirrels and chipmunks but they are rodents and I know it will kill them too. Day 1 I put a few full chunks on the trees and within a few hours 3 were gone so I figured we were in business. I continued to put out chunks and parts of chunks but fewer and fewer were being taken and I continued to have lots of squirrel problems. It was early spring so I thought maybe they were storing them in their nests and not actually eating them. I put some chunks near the vole holes and they all disappeared and after a couple of weeks it seemed all of the voles were gone. Success. In the garage, I never saw so much as a nibble on any of the tomcat chunks so obviously the mice don't like them. Fail. I went back to mousetraps baited with peanut butter and continued to catch mice and one shrew. After about a week I started seeing fewer squirrels so the poison seemed to be working. Hopefully success… Then one day I went outside and a tiny baby squirrel ran straight up to me and started climbing up my leg. In all of years of living out here I'd never seen a squirrel approach a human, much less run up his leg! It was obviously scared and alone. I knew that the poison must have killed its parents because you never see a squirrel that small. It must have come out of its nest because it was starving. You could see the look of fear in its eyes and a "help me" kind of attitude. So here I was on one hand trying to kill them but on the other hand here's a scared baby begging for help. It kept climbing up my pant leg and sat in my (gloved) hand and tried to keep climbing up to my head. I sat it down and got it some nuts and water and it gobbled them up for a good 30 minutes and then tried to run up a tree but it wasn't strong enough so it ran off into the woods. The next day I found its back legs and tail. Something had eaten the rest of it. I thought to myself...this is the circle of life...someone dies and someone is fed. It's nature. But by then the squirrels stopped eating the tomcat chunks. Who knows if they lost their taste for them or if they figured out they were poison. So I started cutting up the chunks and mixing them with peanut butter and squirrels started eating them again. Over the next few days I saw a few more baby squirrels in the same orphaned situation so I gave them food and water also. Then one day I watched a baby squirrel try to run and then it fell over. It would run a few feet and fall over. Run a few feet and fall over. I knew that the active ingredient Bromethalin works on the nervous system, eventually causing paralysis and then death and here I was seeing it in action. I felt bad to watch this baby squirrel suffer and so I decided I had to find a more humane way that would lead to as instant a death as possible. I looked into ones that shock them, smash them in the head, and every other method I could find. Finally I settled on the old-fashioned conibear 110 traps baited with peanut butter and have mainly stuck with that method ever since. It’s mostly an instant kill but sadly, not always. I still use these Tomcat chunx mixed with peanut butter for the squirrels and chipmunks that continue to be a problem and simply won’t get trapped. Total kill has been 24 squirrels by conibear trap and an estimated 5-7 by Tomcat chunx, so you can see that the traps are much more effective and also more humane. I also caught 2 chipmunks with the conibears and probably a few more with the peanut butter poison. Again, I feel bad for having to go to this extreme to protect us and our home, but it seems like it has to be done because they just keep coming and trying to break in. As I was anguishing over killing things, a buddy of mine told me “Look, we’ve killed all the predators so things are out of balance and there’s nothing to kill the rodents. YOU have to be the predator.” And so, with that frame of mind I was able to do it and protect the health and safety of our family. Still I’m not happy about it. I take it seriously that I’m taking a life and anybody who uses this stuff should too. From what I’ve seen, poisoning is a cruel way to die and so I use it only as a last resort. I think the traps are a much more effective and humane way to go. As an aside, if I ever do have to buy rodent poison again I probably wouldn’t buy this product since the mice, chipmunks, and squirrels don’t seem to like it. There’s a peanut butter flavored bait by another company that I’d probably try next time.
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Reviewed in the United States on July 11, 2020 by Widely Read
Tomcat Bromethalin Bait Chunx are incredibly effective for rodent control and have solved my pest problem completely! Living in a rural area with barns and outbuildings, rodent control is essential for protecting stored feed and equipment. These bait blocks work exceptionally well - I noticed results within days of placement. The bromethalin formula is highly effective and provides faster results than traditional anticoagulant baits. The chunx format is perfect - the blocks are large enough that rodents can't carry them away, and they're weather-resistant for outdoor use in bait stations. I love that they're specifically designed for agricultural use, making them ideal for barns, sheds, and farm buildings. The 4-pound bucket provides excellent value with plenty of blocks for multiple bait stations. The blocks maintain their integrity even in humid conditions. They're easy to handle and place in bait stations. The effectiveness is outstanding - my rodent population has been eliminated. I appreciate the quick-acting formula that provides humane control. The blocks are palatable to rodents and consistently consumed. Perfect for farmers, homeowners with outbuildings, or anyone dealing with serious rodent issues. The resealable bucket keeps unused blocks fresh. Essential for protecting property, equipment, and stored goods from rodent damage. The professional-grade formula delivers reliable results. Great value for the amount you receive. Highly effective pest control solution that actually works!
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Reviewed in the United States on January 21, 2026 by Debra