The five best roach killers in 2021

Collage of roach killers, including Raid Ant & Roach Killer on green background for best roach killers 2021

Target; Amazon; Dwelling Depot; Alyssa Powell/Insider
  • Hither are the all-time roach killer and traps you can buy in 2021
  • Best roach killer overall
  • Best roach-killing spray
  • Best roach-killing gel
  • Best roach trap
  • Best roach bait
  • Our methodology
  • FAQs
  • Toxicity in roach killers
  • Check out more cleaning and pest-control guides

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No thing how hard you try, you'll never rid the globe of cockroaches. Simply if yous're trying to keep your home or business roach-gratuitous, then we can aid.

We queried experts at the National Pest Management Association to learn what chemicals and traps to apply and when it'south time to phone call in the professionals. (Read more about our methodology here.) The all-time solution for your infestation will probably be a combination of ii or iii of the products we recommend beneath, considering the resilience of your foes. Even though they outlived the dinosaurs, we've got the chemicals and the technology.

Beneath are our picks for the most effective and expert-approved weapons in cockroach warfare. Some of these roach killers and traps get the job washed on contact, while others let a roach to transport poisonous substance back to the nest and spread it to the lot. Learn more about how Insider Reviews tests and researches home products.

Hither are the best roach killer and traps you can buy in 2021

Best roach killer overall: Ortho Abode Defense Insect Killer, $7.62 on Amazon
Utilise Ortho Home Defense Insect Killer around the periphery of your house every few months, and roaches stand lilliputian chance of breaching its interior.

Best contact spray roach killer: Raid'due south Ant & Roach Killer Insecticide Spray,$9.99 on Amazon
When you lot're coming face to face with roaches, Raid Ant & Roach Killer is an on-the-spot spray that will make short work of your adversaries — at least the ones you can see.

Best gel roach killer: Advion Cockroach Gel Bait,$29.89 on Amazon
Advion Cockroach Gel Bait applies invisibly wherever you demand it and so makes its mode back to the nest to wreak havoc.

Best roach trap: Black Flag Roach Motel Insect Trap, $2.97 on Amazon
The Black Flag Roach Motel Insect Trap kills cockroaches and keeps the expressionless ones contained and out of sight.

Best roach bait: Combat Max 12-Month Roach-Killing Bait, $x.95 on Amazon
Common, minor roaches don't require anything likewise pernicious, and Combat Max 12-Month Bait Stations are plenty effective and unimposing.

All-time roach killer overall

Amazon

Use Ortho Abode Defense Insect Killer around the periphery of your business firm every few months, and roaches stand little chance of breaching its interior.

Pros: Long-term preventative solution, suited for outdoor and indoor utilise, besides works for spot-killing

Cons: Labor-intensive, spray nozzle can be choosy, poses a threat to aquatic habitats

A preventative spray, Ortho Home Defense Insect Killer is constructive for about 3 months at keeping roaches and enough of other six-legged creatures at bay.

Whether you're cervix-deep in cockroaches or you're just preparing for or anticipating the worst, a perimeter spray is a great mensurate to take both inside and out. It also keeps far more than roaches out of your house and creates a buffer confronting an impressively diverse list of potentially more harmful critters.

Wearing a mask, employ the electric spray gun (included with the gallon-size jug), slightly dampen a iv-inch perimeter around your business firm and make sure to keep children and animals away from it until information technology's dry out (same goes for indoor application, though you'll desire to utilize less liberally).

The main thing you want to keep in mind is thoroughness. You're essentially building a fence, so lay the stuff on thick. Glaze window and door frames, crawlspaces, garage doors, and all crevices. Fortunately, you'll only accept to practice this in one case a season.

One final note: because this product contains Bifenthrin, which is toxic to certain aquatic creatures, including fish, consider fugitive using information technology if your property borders a body of water.

Best roach-killing spray

Target

When you're coming face up to face with roaches, Raid Ant & Roach Killer is an on-the-spot spray that will make short piece of work of your adversaries — at to the lowest degree the ones you lot can see.

Pros: Instantly effective, effective against most insects

Cons: Simply constructive upon sight, not a long-term solution, relatively toxic

Impale-on-contact spray is important to accept for visible infestations. Keep in mind that it contains a cocktail of Cypermethrin and Imiprothrin, amid others, all of which are somewhat toxic to humans.

Raid'due south Pismire & Roach Killer Insecticide Spray is also handy when you have a articulate thought of where the roaches are traveling. It remains temporarily lethal enough that if you spray their trail before shutting out the lights and heading off to bed, it will even so impairment them.

Consummate eradication requires a combination of approaches, and sprays like this won't kill the roaches you can't see and trace. A perimeter spray and bait stations will pick up almost of your slack, though. Raid Ant & Roach Killer Insecticide Spray is slap-up to have on hand for pretty much any bug infestation.

Best roach-killing gel

Amazon

Advion Cockroach Gel Bait applies invisibly wherever you lot demand it and so makes its way back to the nest to wreak havoc.

Pros: Long-lasting, placement is highly customizable, also attracts and takes care of crickets (field and house), silverfish, and ants

Cons: Labor-intensive to utilize, not pet-rubber

When yous accept a serious infestation and can't pinpoint the source or the nest, a spreadable gel is a great option. You tin smear it into any suspect cracks, corners, and crevices. As hermetically sealed as your domicile may be, there are nearly ever cracks, and that is indeed how the roaches get in.

Advion's Cockroach Gel Bait, with Indoxacarb as its active ingredient, mercilessly attacks the pests' nervous systems and spreads throughout the nest. Earlier long, the whole colony is wiped out.

While application is more involved than opening a box and dispersing a few traps throughout the firm, Advion'due south Cockroach Gel Allurement comes with applicator tips so that it's not a horribly messy task.

Squeeze it into cracks and create a bead or dots around baseboards, near trash cans, and anywhere else the vermin may be finding their way into your living infinite. Even so, it's non skillful for pets.

This formula is also canonical for boats, planes, and other vehicles, including your motorcar.

Best roach trap

Amazon

The Black Flag Roach Motel Insect Trap kills cockroaches and keeps the dead ones contained and out of sight.

Pros: Yous won't wake up to expressionless bugs on your floor, odor-costless, pesticide-free

Cons: Traps become tattered over time, might also trap smaller rodents (e.thousand., mice) that could render the trap useless

A cocky-independent trap like Black Flag's Roach Motel is oftentimes the most practical and comfortable approach. Cleanup is much less involved: Just choice it upwardly and toss it once it'south full or too tattered to perform its job whatsoever longer. It also entices and contains spiders, scorpions, crickets, and other insects.

This is a great option for households with pets and small children. The active ingredient in these traps isn't a pesticide but merely sticky tape. Even if their fingers or paws do find their way in, it'southward nontoxic.

Roach Motels come two to a pack. The manner they work is unproblematic: Blackness Flag's sugariness proprietary concoction lures in the roaches (and other pests). Once inside the trap, they find themselves attached to a sticky tape.

While this is arguably cruel, keep in mind that roaches probably aren't capable of experiencing pain like we are. Yet, smaller rodents might also find their way in, at which betoken they will exist trapped and left to suffer (as they do in traps like these).

All-time roach allurement

Amazon

Common, small roaches don't crave anything too pernicious, and Combat Max 12-Month Bait Stations are plenty effective and unimposing.

Pros: Long-term efficacy, discreet

Cons: Doesn't work on larger species (stations for larger species are prohibited in some places)

The heavy sprays and gels aren't necessary for the common, small roach. An insecticide with Fipronil, like Gainsay's Max 12-Calendar month Roach Killing Bait Stations, is more than adequate.

The beauty of these contraptions is threefold: They're affordable; they last for a whole year as the packaging suggests; and the domino upshot they accept on the nest, and potentially the entire local population, is underway the second one private roach takes the bait.

We also particularly like how nondescript these bait stations are. Toss them under the refrigerator or in the back of the kitchen cabinet, and guests volition never meet them. Far and away, this is the easiest and cheapest solution to start with, only generally, you'll also accept to take other measures.

Our methodology

We spoke with waste management professionals at Organic Pest Control NYC and Cindy Mannes, vice president of public diplomacy for the NPMA, to larn the most effective chemicals and approaches to cockroach direction. Nosotros as well institute out the necessary concentrations of agile ingredients to get the job done.

One dominion to ridding a space of roaches supersedes all measures: Proper food storage and waste disposal are your outset (and almost effective) line of defense force. Cindy Mannes, vice president of public diplomacy for the National Pest Management Association (NPMA), told Insider that the all-time manner to command a cockroach problem is, essentially, non to let them in in the first identify. That ways removing annihilation that the insects find bonny — food, water, and ataxia, which offers warmth and a identify to hibernate.

"Cockroaches are some of the most resilient pests in the globe, making getting rid of them a difficult task for consumers to practise themselves," Mannes said. "People can take steps, however, to mitigate cockroach problems through barrier exclusion and cleanliness."

Other specific considerations were:

Ease of employ: Is it something as simple as opening a cartridge and slipping it under the sink, or do you have to crawl around on your hands and knees with protective gear on? We offer recommendations across the spectrum, so choose what is nearly applied (and realistic) for you and your household.

Toxicity: We considered whether active ingredients were toxic to humans and pets. Essentially, everything is at the very least mildly toxic, merely some options, like the Fipronil institute in Raid's Bait Stations, were considerably less problematic for pets.

Effectiveness: Effectiveness is without a doubt the most important feature of a roach killer or trap. We considered the active chemicals, our experts' recommendations, and user reviews.

FAQs

What are the well-nigh constructive chemicals to look for in a roach killer?

Chemicals that touch on the central nervous arrangement of insects work best, especially because they're so constructive with roaches simply don't tend to affect mammals (specifically pets and humans) to the same caste. Cypermethrin, Imiprothrin, Fipronil, and Indoxacarb are the more mutual EPA-approved ones and the active ingredients found in the products we recommend higher up.


Does bleach kill roaches?

Aye, but it'south non as rubber or as constructive every bit specifically designed insecticides.


Does boric acid impale roaches?

Yep, boric acid can work very well, entering either through digestion or basic contact, but being a powder, it's messy. It also tends to lose authorization quickly.


Does dichotomous earth kill roaches?

Yes. Diatomaceous earth is a potent just pet- and human-safe implement for killing cockroaches. Information technology breaks downward their exoskeletons, and roaches besides bring it back to the nest, and then the domino outcome tin work extremely well within a few weeks.

You'll only need to continuously spread a dusting of it in the problematic area, which, every bit with boric acid, can become messy.


What type of roach killer or trap is correct for me?

Depending on the degree of your infestation and the amount of endeavor you are willing to practise on your ain (before you call an expert extermination service), any of our recommendations are applicable. But here'due south the basic run-down of awarding and effectiveness of each type of trap and toxicant:

Bait stations: Bait stations lure roaches in for poisonous bait, which they'll and so have dorsum to the nest. Dead roaches will be scattered well-nigh, just awarding is every bit piece of cake as dropping the little plastic discs here and there and replacing them every 12 months. This is about as easy every bit it gets, but there volition be cleanup.

Gel baits: Gel baits are second only to preventative sprays considering while they're thoroughly effective, they get out behind a trail of expressionless bugs. Still, this is a great manner to stop roaches from developing regular trails through kitchen cabinets, cracks in the wall, and other tight crevices.

Preventative sprays: Preventative sprays are somewhat labor-intensive. You have to thoroughly and advisedly spray them around your house'south inner and outer perimeters and permit information technology dry out (for about four hours) before going most the sprayed areas. In our feel and based on our experts' recommendations, this is the near effective option.

Spot-killing sprays: If you lot're coming face to face with roaches in your home, a spray volition get the job done on the spot. Yous'll have to clean up afterward, though. Plus, depending on how much yous spray, you can actually foul the air in your firm for a while.

Sticky traps: Sticky traps can be effective. While they're pesticide-free, they're a little cruel because any gets stuck in there volition die of exhaustion or starvation. These traps also tend to be on the larger side, so they're harder to hide.


How exercise I prevent roaches from returning?

No thing what type of poison you apply, effectiveness is going to be relative to cleanliness. If your business firm is a sty, y'all'll but keep inviting in roaches (and other pests). Keep counters and floors clean; keep your sink complimentary of dishes; shop food in airtight containers; vacuum weekly; ventilate clamber spaces; and prevent moisture from edifice upwardly, particularly due to leaky pipes and faucets.

Toxicity in roach killers

Roach killers are toxic by nature, but plenty of chemicals will exterminate without being toxic to pets and humans. Here's more than nigh the toxicity in the active ingredients found within the products we recommend:

Cypermethrin: A fast-acting neurotoxin in insects, Cypermethrin is generally only a mild irritant to humans and mammals, every bit it'south 1,000 times more potent to insects. Still, it's best to avoid skin contact when handling it. (Notation, Ortho's Dwelling house Defense Insect Killer includes Cypermethrin but also features a pocket-sized concentration of Bifenthrin, which is harmful to aquatic insects and finfish, and information technology's best to avert letting information technology leak into bodies of h2o.)

Fipronil: Too used for killing fleas and ticks on dogs, Fipronil affects the central nervous system of insects. While studies show that it's heavily toxic to rodents, it volition simply cause balmy skin irritation in humans. If consumed, wellness furnishings become much more serious, though not necessarily life-threatening.

Imiprothrin: Categorized by the EPA as having a "depression order of toxicity" in humans (and mammals), Imiprothrin exposure manifests as a mild skin and middle irritant and is considered suitable for indoor applications.

Indoxacarb: Classified past the United States EPA as a "not likely" human being carcinogen, Indoxacarb is a pyrethroid also used to forbid the transmission of pathogenic microorganisms from insects to humans and other animals. Still, it has caused neurotoxicity in several studies of both mice and rats, and you'll want to seek medical attention if ingested.

Read more about pesticide toxicity assessment at the EPA.