We compared the most popular ant killers on how well they reach the colony, where they can be used, and how easy they are to apply. Our top pick is the TERRO T300B Liquid Ant Killer.
Our Top Picks at a Glance
Ants are a common household pest that can be difficult to eradicate. While there are many DIY solutions available, sometimes a more potent ant killer is necessary. The best ant killers are those that effectively eliminate the entire ant colony while being safe for humans and pets.
When selecting an ant killer, it is essential to consider the type of ants being targeted. Different ant species have varying preferences for food and nesting habits and thus require different types of bait.
It is also important to consider the toxicity of the ant killer, especially if there are children or pets in the household.
We picked products that reach the whole colony and come in formats that are easier to use carefully in homes with children and pets, such as enclosed bait stations. No ant killer is completely safe for kids or pets, so always follow the label.
Whether you are dealing with a minor ant infestation or a full-blown colony takeover, we have the solution for you.
Best Ant Killers
When it comes to dealing with an ant infestation, the right ant killer can make all the difference. With so many products on the market, it can be overwhelming to try and find the best one for your needs.
In this roundup, we’ve done the research for you and compiled a list of the best ant killers available on Amazon. Whether you’re dealing with sugar ants, fire ants, or carpenter ants, these products are sure to get the job done.
1. TERRO T300B Liquid Ant Killer
If you’re looking for an effective ant killer, TERRO T300B Liquid Ant Killer is definitely worth considering.
Pros
- Attracts and kills a variety of common household ants.
- Works fast, with a significant decrease in the number of ants visiting the bait stations within just a few days.
- Easy to use, with pre-filled bait stations that can be placed throughout your home.
Cons
- The bait stations are small and may need to be replaced frequently if you have a large ant infestation.
- The liquid bait can be messy if the bait station is disturbed or knocked over.
- Some users have reported that the bait stations are not effective for all types of ants.
If you’re tired of dealing with pesky ants in your home, TERRO T300B Liquid Ant Killer is a great option.
Its pre-filled bait stations attract and kill a variety of common household ants, including acrobat, crazy, ghost, little black, odorous house, pavement, and other sweet-eating ants.
Within just a few days, you should see a significant decrease in the number of ants visiting the bait stations.
Using TERRO T300B Liquid Ant Killer is easy – simply place the bait stations near areas where you’ve seen ant activity, such as along baseboards, in corners, on counters, and more.
As worker ants discover the bait, they share it with the rest of the colony, which helps to eliminate the entire ant colony.
One potential downside of TERRO T300B Liquid Ant Killer is that the bait stations are small and may need to be replaced frequently if you have a large ant infestation.
Additionally, the liquid bait can be messy if the bait station is disturbed or knocked over. Some users have also reported that the bait stations are not effective for all types of ants.
Overall, if you’re looking for an effective and easy-to-use ant killer, TERRO T300B Liquid Ant Killer is definitely worth considering.
2. TERRO T901-6 Ant Killer Plus Multi-Purpose Insect Control
If you’re looking for an effective outdoor ant killer that can also take care of other crawling insects, TERRO T901-6 Ant Killer Plus Multi-Purpose Insect Control is definitely worth considering.
This product is easy to use and provides quick results, making it a great option for those who want to get rid of pests fast.
Pros
- Kills a wide range of insect pests, including ants, fire ants, roaches, fleas, crickets, earwigs, millipedes, mites, palmetto bugs, silverfish, sow bugs, and more.
- Works fast – the powerful granules kill listed insect pests within 24 hours of contact while also providing residual repellency.
- Easy to apply – the resealable shaker bag design allows for convenient application, and there’s no chemical spreader or broadcaster required.
Cons
- For outdoor use only – not suitable for indoor use.
- May not be effective against all ant species.
- Some users may find the granules difficult to apply evenly.
TERRO T901-6 Ant Killer Plus Multi-Purpose Insect Control is a versatile product that can help you keep your outdoor spaces free of pests (also check out the best bug zappers).
The granules are easy to apply, and the resealable bag makes it easy to store and use again when needed. However, it’s important to note that this product is not suitable for indoor use, and may not be effective against all ant species.
Overall, if you’re looking for a fast-acting outdoor ant killer that can also take care of other crawling insects, TERRO T901-6 Ant Killer Plus Multi-Purpose Insect Control is definitely worth considering.
3. TERRO Liquid Ant Killer ll T200, 2 oz
If you’re looking for an effective and affordable way to deal with ants, TERRO Liquid Ant Killer II is the way to go.
Pros
- The bait stations are easy to use and dispose of.
- The enclosed bait stations limit direct contact with the borax bait, which is helpful in busy homes.
- The bait attracts and kills the entire colony, not just the ants you see.
Cons
- The bait can take a few days to work, so you must be patient.
- The stations can dry out quickly in hot, dry weather.
- The bait is not effective against all ant species.
TERRO Liquid Ant Killer II is a great option for those looking for a safe and effective way to eliminate ant colonies.
The bait stations are easy to use and can be placed discreetly around your home. The active ingredient is borax, which is low in toxicity compared with many insecticides but can still make children and pets sick if swallowed. Place stations where kids and pets cannot reach them and follow the label.
The bait attracts ants and kills the entire colony, not just the ants you see. However, it can take a few days for the bait to work, so you must be patient.
Additionally, the stations can dry out quickly in hot, dry weather, so you may need to replace them more frequently during the summer months.
While TERRO Liquid Ant Killer II is effective against many ant species, it may not work against all of them. If you’re dealing with a particularly stubborn ant problem, you may need to try a different product or call in a professional exterminator.
Overall, TERRO Liquid Ant Killer II is a reliable and affordable option for those looking to eliminate ant colonies in and around their homes.
4. Ortho Fire Ant Killer Broadcast Granules
If you’re looking for a fast-acting and easy-to-apply solution for fire ant infestations, Ortho Fire Ant Killer Broadcast Granules is worth considering.
Pros
- Kills fire ant mounds in just 15 minutes
- Protects your lawn from fire ants for up to 6 months
- Covers up to 5,000 sq. ft. of residential lawn
Cons
- Has a pungent smell that may be unpleasant for some users
- May require the use of protective gloves during the application
- Only targets fire ants and not other types of ants or insects
Ortho Fire Ant Killer Broadcast Granules is a highly effective solution for controlling fire ant infestations. Its fast-acting formula can eliminate fire ant mounds in as little as 15 minutes, allowing you to quickly get back to enjoying your lawn.
Additionally, the product provides up to 6 months of protection against new mounds forming, making it a long-lasting solution.
One of the benefits of this product is its ease of application. Using a drop or broadcast spreader, you can easily apply the granules to your lawn and water them in as directed.
With one 11.5-lb. bag treating up to 5,000 sq. ft. of residential lawn, it’s a cost-effective solution for larger properties.
However, the product does have a pungent smell that some users may find unpleasant. Additionally, it’s recommended to wear protective gloves during application to avoid skin irritation.
It’s also worth noting that this product only targets fire ants and not other types of ants or insects (you might also be interested in checking out the best wasp trap).
Overall, if you’re dealing with a fire ant infestation and want a fast-acting and easy-to-apply solution, Ortho Fire Ant Killer Broadcast Granules is a solid option to consider.
5. HARRIS Ant Killer Spray
This eco-friendly and non-staining ant killer spray is a great option for those looking for a quick and safe solution to their ant problem.
Pros
- Uses plant oils as active ingredients instead of synthetic insecticides.
- The manufacturer says it kills ants in 30 minutes or less, providing quick relief.
- Can be used both indoors and outdoors, making it a versatile solution.
Cons
- Some users have reported that the spray only kills ants on contact and does not provide long-term prevention.
- The pleasant scent of essential oils may not be enjoyed by everyone.
- The formula may need to be reapplied in the same area to ensure effectiveness.
This Harris Ant Killer Spray is a great option for those looking for an eco-friendly and safe solution to their ant problem.
It uses plant oils instead of synthetic insecticides, and the manufacturer says it kills ants in 30 minutes or less. Even with natural ingredients, keep children and pets away from sprayed areas until they are dry, and follow the label.
This ant killer spray is versatile in that it can be used both indoors and outdoors. It is also non-staining, making it a great option for use on carpets and other surfaces.
However, some users have reported that the spray only kills ants on contact and does not provide long-term prevention. The pleasant scent of essential oils may not be enjoyed by everyone, but it is a nice alternative to artificial fragrances.
Overall, the Harris Ant Killer Spray is a good option for those looking for a safe and effective solution to their ant problem.
While it may need to be reapplied in the same area to ensure effectiveness, the quick kill time and non-staining formula make it a convenient option for use both indoors and outdoors.
Ant Bait vs Spray vs Granules: Which Kills the Colony?
Ant bait is the best choice when you want to kill the colony, including the queen. Worker ants carry the slow-acting bait back to the nest and share it, so it works over several days instead of instantly. Liquid baits like TERRO’s attract sugar-loving ants such as odorous house ants and pavement ants. Some ants prefer protein or grease, so if they ignore a sweet bait, try a protein bait.
Sprays kill the ants they touch. They are good for clearing a trail fast, but they rarely reach the nest. Do not spray near bait stations: you will kill the workers before they can carry bait home.
Granules are for outdoor use. Spread them around the foundation, along cracks in the patio, or over the lawn for fire ants to stop ants before they get inside. Always check the label: most granules are not approved for indoor use.
How to Use Ant Bait So It Works
- Place bait stations right on or next to the ant trail, not where you wish the ants were.
- Expect to see more ants at first. That means they are taking the bait.
- Leave the trail alone. Do not clean it up or spray it while the bait is working.
- Replace stations when they are empty or dried out, and give it one to two weeks for a large colony.
Buying Guide
When choosing an ant killer, there are several factors to consider to ensure that you get the best product for your needs. Here are some key features to look for:
Type of Ant Killer
There are two main types of ant killers: bait and contact killers. Bait killers are designed to attract ants and then kill them slowly, allowing them to bring the poison back to their colony and eradicate it.
Contact killers, on the other hand, are designed to kill ants on contact and are best for immediate results. Consider which type of ant killer will work best for your situation.
Active Ingredients
Different ant killers use different active ingredients to kill ants. Some common active ingredients include borax, boric acid, and pyrethroids.
It’s important to research the active ingredients in the ant killer you are considering to ensure that they are safe for use around pets and children and to determine their effectiveness against the type of ants you are dealing with.
Application Method
Ant killers come in a variety of application methods, including sprays, baits, granules, and powders. Consider which method will be easiest and most effective for your situation.
For example, sprays are best for targeting specific areas, while baits are ideal for attracting ants to a specific location.
Indoor vs. Outdoor Use
Some ant killers are designed for indoor use only, while others can be used both indoors and outdoors. Consider where your ant problem is located and choose a product that is appropriate for that area.
Effectiveness
When choosing an ant killer, it’s important to look for a product that has been proven to be effective against the type of ants you are dealing with. Look for products with positive reviews and high success rates.
By considering these key features, you can choose the best ant killer for your needs and effectively eliminate your ant problem.
Frequently Asked Questions
What are the most effective ant killers for outdoor use?
The most effective ant killers for outdoor use are those that contain bifenthrin or permethrin. These chemicals are highly toxic to ants and are often used by pest control professionals. It is important to follow the instructions on the label carefully to ensure safe and effective use.
How can I create a homemade ant killer that’s effective?
There are several homemade ant killers that can be effective, such as a mixture of borax and sugar water or vinegar and water.
However, it is important to note that homemade ant killers may not be as effective as commercial products and may not be safe for use around children and pets.
Which ant killer is safest to use around pets indoors?
No ant killer is risk-free for pets. Enclosed bait stations, like the TERRO T300B, are the lower-risk choice indoors because the bait sits inside a plastic housing instead of out in the open. Boric acid and borax baits are low in toxicity but can still make a pet sick if a station is chewed open or a lot of bait is eaten. Place stations behind appliances or in spots pets cannot reach, and call your vet or a pet poison hotline if you think your pet ate some.
What are some proven home remedies for eliminating ants?
Some proven home remedies for eliminating ants include using cinnamon, peppermint oil, or citrus peels. However, it is important to note that these remedies may not be as effective as commercial products and may require multiple applications.
What type of ant bait is commonly used by pest control professionals?
Pest control professionals often use ant baits that contain a slow-acting poison, such as hydramethylnon or fipronil. These baits are designed to be carried back to the ant colony, where they can eliminate the entire colony over time.
How can I achieve permanent ant eradication from my home?
Achieving permanent ant eradication from your home requires a combination of methods, including eliminating food and water sources, sealing entry points, and using ant killers.
It is important to be persistent and continue to monitor for ant activity even after the infestation appears to be gone.