Top 10 Best Ant Killers In 2021 Review & Buying Guides

This article is updated on April 16, 2022 | By: [post_author_posts_link]

It is really annoying to live in a house where ants are reigning all over the place. You cannot keep your food for long as they attack them in no time. You cannot sit comfortably in a place as they either bite you or get inside your dress. It is really embarrassing in front of the guests who are profoundly disturbed by the presence of so many ants. As a matter of fact, there are highly dangerous for your kids and pets. They can destroy your garden, weaken the structure of your building and do various other nuisance. Therefore, you have to kill them to survive and live a comfortable life. These products that we list are the best ant killers that will get the job done easily without leaving any mess in the place where you apply them. They attract the ants naturally and kill them in minutes.

(To read more on different types of ants, click here!)

List Of Best Ant Killers In 2021

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#10. Ultrasonic Pest Repeller

Ultrasonic Pest Repeller

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By: Adeon

Ultrasonic Pest Repeller is another modern device that can help you to get an effective result in carefully controlling the pests. This device has triple power to kill the pests like ants and mice. This chemical-free and noiseless device can give you a remarkable result in killing the pests within a short time. Its 80kHz ultrasound wave can help you to get quick relief from the hidden pests and insects.

Moreover, this device is also designed in a user-friendly manner to help the beginners in handling the modern machine efficiently. You can keep 1,600 square feet area protected from the pests by using this device satisfactorily.

Reasons To Buy This:
  • Highly effective with triple power.
  • Three different waves for all ant types.
  • Large coverage and safe for kids.

#9. Advanced Fire Ant Killer Dust, 16 Oz.

Bayer Advanced 502832 Fire Ant Killer Dust, 16 Oz.

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By: Bayer

Cyfluthrin is one of the main ingredients of Bayer Advanced Fire Ant Killer Dust. This product has good popularity in the market for killing huge scale of ants in a very short time. This product can kill the queen ant as well as destroy the mounds. You can get a good result in removing ants from the outer part of your room.

On top of that, the lawns, gardens, and the plants can be kept away from the ants by using this product. You need to add a proper amount of water to the product while applying on the mounds to get the effective result.

Reasons To Buy This:
  • Powerful and no watering needed.
  • Fast action and easy to use.
  • Featured as Amazon’s Choice for Ant poison outdoor category.

#8. Ant Killer & Crawling Insect Killer, Natural & Non-Toxic

EcoRaider Ant Killer & Crawling Insect Killer (Citrus Scent) 16 Oz., Natural & Non-Toxic

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By: EcoRaider

EcoRaider ant killer is designed in an exceptional formula to kill hundreds of ants within a minute. This toxin-free product is safe to use in the room or outer places. This product is proven as an effective ant killer at the laboratory. The effect of the micro-scale particles of the active ingredient can attract the insects and paralyze them and kill quickly. This quick action of this ant killer is safe to use in front of the children and pets.

Last but not least, the organic ingredients of this ant killer are extracted and collected by the experts. The product is tested before selling in the market.

Reasons To Buy This:
  • Toxic-free and safe for child, pets, and birds.
  • Can be used indoors and outdoors.
  • Powerful and effective within a minute.

#7. 12 Oz. Orthene Fire Ant Killer

Ortho 12 Oz. Orthene Fire Ant Killer

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By: Ortho

Orthene fire ant killer is an effective remedy to kill the mounds at your garden and ornamental plants. You do not need to use water with this ant killer. The process is similar to the mound treatment. This product is available with the money back guarantee. Its effective use on the outer side of your house can keep the trees, flowers, lawns free from the ants.

In addition, you need to use the ant killer product whenever the new mounds are found, and the fire ants are active to get the best result in destroying them. The availability of Acephate content in this ant killer makes it so effective in case of killing insects.

Reasons To Buy This:
  • Destroys the mound completely.
  • Does not affect the plants.
  • Featured as Amazon’s Choice under Fire Ant Killer category.

#6. Ultrasonic Mosquito Pest Repellent

Ultrasonic Mosquito Pest Repellent

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By: Ever Pest

Ultrasonic Mosquito Pest Repellent is a modern technical device that can help you to stay away from the insects. This device is designed in an easy to install manner. The nontoxic device gives an effective result in removing all kinds of insects including the ants from your house. This ultrasound device can cover 1900 sq ft area, and it is absolutely safe for the human being.

Besides that, the LED bulb is installed in the device which emits the ultrasound waves to send away all the insects from your house. Using this device three to four times a week can give you a satisfactory result to eliminate all kinds of insects from your house.

Reasons To Buy This:
  • Advanced sounding technology used.
  • Powerful and effective.
  • Safe for pet and birds.

#5. Outdoor Liquid Ant Killer Bait Stakes

TERRO T1812 Outdoor Liquid Ant Killer Bait Stakes - 8 Count (0.25 oz each)

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By: Terro

The exceptional effect of is ant killer bait doesn’t allow the ants to enter into your house and kill them outside of the door. This bait attracts the ants for killing them. The see-through design of this product window can help you to understand the availability of the bait. Another interesting feature of this bait is waterproof structure.

Furthermore, this user-friendly ant killer bait can help you to get the effective result in a short time as well. When ants take the baits, it keeps the ants alive to go back to its colony and serve the others to kill them as well.

Reasons To Buy This:
  • Weatherproof for outdoor use.
  • Comes in ready to use state.
  • Effective against all types of ants.

#4. Insect Killer For Indoor & Perimeter2

Ortho Home Defense Insect Killer for Indoor & Perimeter2

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By: Ortho

This insect killer can give you necessary protection from not only ants but also other insects like spiders, roaches and more. You can stay safe 12 months by using this product which is designed by the experts. This product is easy to apply by using the Comfort Wand. You can also prefer the ant killer for its long-lasting effects.

In addition to that, this product is applicable at the indoor and outdoor places at the same time and its non-staining effect are remarkable as well. You do not need to pump or bend or use the hands to use this product for killing the ants.

Reasons To Buy This:
  • Tailor-made for indoor use for a year.
  • Kills all household bugs.
  • Non-staining and odor free.

#3. Indoor & Outdoor Ant Killing Gel, 27 Grams

Combat Max, Indoor and Outdoor Ant Killing Gel, 27 Grams

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By: Combat

This indoor and outdoor ant killing gel works magically and gives you an effective result within a short span. This gel is available in ready to use form, and you can use it by following the simple application process. It takes only 3 to 5 days to finish the entire colony of the ants. Syringe applicator can help you to apply the gel where you can’t reach, but the ants roam.

What’s more, this effective gel attracts the ants and starts to kill them within an hour. This gel contains the right amount of water which is fed by the ants quickly and works in their body fast to kill them.

Reasons To Buy This:
  • Leaves no mess.
  • Attracts ants quickly.
  • Safe for child and pets.
  • Featured under Amazon’s Choice.

#2. Liquid Ant Killer ll T200

TERRO 2 Oz. Liquid Ant Killer ll T200

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By: Terro

This product from Terro is one of the best ant killers. It can kill all the hidden ants in your room and keep you safe. This liquid ant killer is needed to use on the cardboards, floors, tiles and wherever you find the ants. This poisonous bait attracts the ants and the lethal is passed to the ants to kill them. The ants give the lethal in its colony, and as a result, these insects are killed. This effective liquid ant killer is very effective to kill the ants on a large scale and give you relief.

Reasons To Buy This:
  • Kills all household ants.
  • Keeps the ants away for a longer time.
  • No mess, no stain, or no odor.

#1. T300 Liquid Ant Baits – 1 Pack

TERRO T300 Liquid Ant Baits - 1 Pack

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By: Terro

This liquid ant bait is probably the best ant killer on the market. It can help you to get relief from the risk of poisonous bites of ants. This ant killer bait attracts the ant and kills them fast to keep you secure. Where you find the ants, you need to place this bait which is available in ready to use form. This particular product is designed to kill the ants in two or three days effectively.

On top of that, there are six baits in a pack, and the bait doesn’t become dry because of the continuous supply of the liquid. This liquid ant bait is very effective in killing the entire colony of the insect. Last but not least, let’s watch this YouTube clip as it will explain how to use the product.

Reasons To Buy This:
  • Works on all household bugs.
  • Comes in ready to use and pre-filled state.
  • Attracts ants fast and kills faster.
  • Featured as Amazon’s Choice for ant traps indoor category.

Also Read: Ant Killers – Buying Guides

Types Of Ants

There are 4 main types of ants that you are likely to encounter in North America. Once you know them, it will be easy to get rid of them since you know the right methods.

  • Carpenter Ants: This is one of the largest ant species in North America, and they are black in color. This type of ants are fond of wood, and they are absolutely destructive. Their workers and swarmers boreholes in the walls, floor, ceiling, and pretty much any wood surfaces.
  • Fire Ants: The famous ant types with a reddish-brown color and small body that we all know of. This type of ants build their mounds in the yard, and they post a threat to both humans and pets. Fire ants have painful stings that produce a burning sensation, swelling, and itching.
  • Odorous House Ants: These ants are black or small brown ants that nest in walls and under floors. These are the ants they love sugar, and they are most active in spring and summer months,
  • Pavement Ants: Just like the name suggests, they commonly swarm over paving tiles. The ants of this type are brown or black ants, and some of them also go by the name swarmers. This type has wings, and they can fly to begin new colonies.

Types Of Ant Killers

As for ant killers, there are 2 main types that you should know about.


This type of ant killer draws insects especially ants with attractive scents and tastes. Once the ants find the baits, they simply bring the pieces of poison back to the colonies. The special thing about baits is that they have a delay effect so they don’t kill the ants immediately. Once the ants die, their bodies will release the poison which can kill other ants. This type is perfect if you are not sure about the location of the nests. There are a few types of baits such as:

  • Gel Bait: allows you to squeeze them into cracks or behind the appliances. This type usually comes with a syringe that allows you to easily apply to the ant paths. Ants slowly consumer them overtime before reaching their final fate.
  • Granule Bait: can be sprinkled in or around the nest. The ants can also easily grab and return them to the colonies. Their insecticidal properties usually retain several days after applying which is quite effective to use.
  • Liquid Bait: allows you to suspend on small stakes in the yard. The ants can take the bait easily to the colony for everyone to consume.


Easy and simple, pesticides kill the ants and other insects as you spray on them. If you see their swarms or if know where their nests are, this is the best option to use. It is quick and effective, and it sure provides long term protection. You can use this both indoor and outdoor, and you can make your own homemade ant sprays as well.


You should get some ideas and products in mind when it comes to the best ant killers after this article. Getting rid of the ants from your home or garden should be your priority as they can do irreparable damages if you are late to act. Depending on where you want to apply that ant killer, you should buy the required type. Make sure they are not harmful to pets and you better place them where the pets and child cannot get access even though they can be harmless to human beings and pets.

One Comment

  1. From the author: Ant Killers – Buying Guides
    You are likely to buy an ant killer for the first time, and due to lack of experience, you might end up buying a wrong product that can be ineffective for the type of ants you have in your home or garden. Take the following recommendations into your consideration while purchasing an ant killer.

    Ant Type:
    There are various categories of ants available in this world, and different types are available in different areas. For example, there are acrobat ants, ghost ants, pavement ants and likewise. It is essential to know the type of ants you have in your area by researching on the internet so that you can be sure that the ant killer you are going to buying is tailor-made to kill such a type of ants. In case you have multiple kinds of ants, there are specific products you can use and apply in this scenario.

    Indoor And Outdoor:
    It is important to understand that not all types of ant killers are suitable for indoor use. There are specific types that can be suitable for both, but most of the ant killers are either for indoor use or for outdoors. In case it is for outdoors, it is likely to be waterproof such that it does not get washed away easily and lose its effectiveness due to solubility. At the same time, such ant killers can be toxic and can have an odor as well. For the indoor purpose, the ant killers do not create any mess of the floor or wall. They are safe for pets and kids. No water is required for them to be effective. They are completely odorless, or at times, they may have a sweet scent.

    Different ant killers have different properties. There are some that can actually attract the ants to spot them, and when they taste it, they die instantly. There are certain others that repel the ants for the region up to a particular area of the boundary. This way you do not have to kill them, and yet, you can stay at your place conveniently without a headache.

    Apart from these, you have to decide which type of at killers you want to opt for. They are gels, electrical devices that work on sound waves, liquid solutions and likewise. The spray type is quite popular as they are generally good and safe for kids and pets.

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