How to Choose the Right Ant Spray Product From a Variety of Indoor and Outdoor Options

Edited by
Inga Cryton
Reading Time: 17 minutes.
Updated: .

Like most homeowners, you probably have a love-hate relationship with ants. You hate them because they seem to invade your home at the worst possible times, but you love them because they are amazing creatures.

Ants are some of the most hardworking and efficient creatures on the planet. They can build their nests and gather food in hours, which is why it’s so frustrating when you find an ant colony inside your home.

But don’t worry – I’ve here to help. In this blog post, I’ll discuss the three best ant spray products on the market and how to choose the right one for your needs.

Top 3 Best Ant Spray Products in 2022 Comparison Table

Our #1 Rated
Ortho Home Defense Insect Killer review
Ortho Home Defense Insect Killer
  • Active Ingredients: 0.05% Bifenthrin, 0.0125% Cypermethrin
  • Type: Ready-to-Use Spray
  • Location: Indoor & Perimeter
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People's Choice
Raid Max Ant & Roach Spray review
Raid Max Ant & Roach Spray
  • Active Ingredients: 0.06% Imiprothrin, 0.1% Cypermethrin
  • Type: Ready-to-Use Spray
  • Location: Indoor
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Best Pro
Bifen I/T Insecticide review
Bifen I/T Insecticide
  • Active Ingredient: 7.9% Bifenthrin
  • Type: Concentrate
  • Location: Indoor / Outdoor
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I’ve tested and researched several ant sprays and found the three best products for homeowners. These ant killers will quickly eliminate any ants in your home without leaving any harmful chemicals.

3 Best Ant Sprays Reviewed

After much research and testing, I’ve found these products to be the most effective at getting rid of ants and keeping them from coming back.


1. Ortho Home Defense Insect Killer – The Best Ant Spray for Indoors & Perimeter (Editor’s Choice)

See More ImagesOrtho Home Defense Spray with wand
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Ortho Home Defense is a ready-to-use spray with a reusable comfort wand, making it easy to apply in hard-to-reach places. The active ingredients are Bifenthrin and Cypermethrin, which work together to eliminate ants quickly.

How Does It Work

Ortho Home Defense Insect Killer is a popular choice for homeowners looking for an effective way to kill insects. This product works by releasing a chemical into the air inhaled by the insects, causing them to die.

It is effective on ant trails, nests, and cracks or crevices where the pests are entering your home.

You must avoid inhaling the vapor when using Ortho Home Defense, so use only in ventilated and unoccupied areas inside. Keep children and pets away until the mist is completely dry. Ortho must be kept away from pet and human food. It is toxic to birds, bees, fish, and some waterbirds, so it can’t be used where it could contaminate water.

How to Use

  • To use Ortho Home Defense Insect Killer, homeowners should first identify the areas where insects are present.
  • Once the areas have been identified, homeowners should then spray Ortho Home Defense Insect Killer directly onto those areas.
  • Homeowners should repeat this process as necessary to keep insects under control.
  • Kills ants fast.
  • Keeps them away for up to 12 months.
  • Easy to apply with the comfort wand.
  • Can be harmful if ingested.
  • Not safe for use around children and pets.
  • Should not be used in areas where food is present.

2. Raid Max Ant & Roach Spray – The Best Ant Spray for Kitchen (People’s Choice)

See More ImagesRaid Ant & Roach Killer Spray Value Pack
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And if you’re dealing with an ant problem, Raid Max spray is a great option. It comes with active ingredients that can kill ants and roaches on contact. It kills ants immediately and for up to a month after application without an unpleasant odor.

Plus, it’s a ready-to-use spray, so you don’t have to worry about any complicated instructions. You can use it indoors without worrying about any toxic fumes or residue.

How Does It Work

The spray contains an active ingredient called cypermethrin, which is a type of pyrethroid insecticide. This ingredient works by causing paralysis in the insects’ nervous systems, eventually leading to their death.

Raid Max also contains another chemical called imiprothrin, an attractant that lures ants and roaches towards the spray.

To use, point the nozzle of the spray towards the area where ants or roaches are present and squeeze the trigger to release the insecticide.

How to Use

  • Spray the Raid Max Ant & Roach Spray directly on ants and roaches whenever you see them.
  • For the best results, spray in areas where you see the most activity.
  • Be sure to shake the can before each use.

You must be aware of the usual warnings when using any spray containing pyrethrins or other toxic insecticides.

Precautions when using Raid Max include:

  • Avoid inhaling any of the fumes.
  • Laundering clothing immediately after using spray.
  • Keeping the spray away from food or areas where food is prepared.
  • Restricting the activities of pets or children in sprayed areas.

Raid Max will kill bees, birds, fish, and some water birds. Avoid spraying where it will contaminate water or other areas frequented by wildlife.

You can use Raid Max ant spray on ant nests, ant trails, and entry points into your home, such as cracks. It’s available unscented as well as in several fragrances.

  • Kills ants and roaches on contact.
  • Gel starts working in hours.
  • Lasts up to 4 weeks, so you don’t have to worry about the ants coming back.
  • It’s a strong chemical that can cause an allergic reaction in some people.
  • The smell can be overwhelming, and it’s difficult to get rid of the smell once you’ve used the product.

3. Bifen I/T Insecticide Concentrate – The Best Ant Spray for Outdoors

See More ImagesBifen I/T Insecticide 128oz
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As a homeowner, it’s essential to be prepared for any pest that may try to invade your home. Insects can be pesky and challenging to get rid of, but you can fight back and protect your home with the right tools. Here, I’m going to talk about one of my favorite insecticides: Bifen I/T concentrate.

How Does It Work

Bifen I/T is a professional-grade insecticide that contains Bifenthrin as its active ingredient. Bifenthrin is a powerful insecticide effective against various insects, including ants, roaches, spiders, and more. You can use this concentrate indoors and outdoors to help keep your home pest-free.

How to Use

One of the things I like best about Bifen I/T is that it’s easy to use. Mix the concentrate with water and apply it to areas where you’ve seen pests or where they’re likely to enter your home. This product is also long-lasting, so you won’t have to reapply it frequently. With proper application, Bifen I/T will help keep your home pest-free all season long.

  • Kills a wide variety of insects, including ants, roaches, spiders, and more.
  • Can be used indoors and outdoors.
  • The residual will last for up to 3 months.
  • Keep your home pest-free all season long.
  • May cause skin irritation.
  • Harmful if swallowed.
  • Do not use near food or water.
  • Keep away from children and pets.

If you’re looking for a powerful and effective insecticide, I recommend Bifen I/T concentrate. It’s easy to use, and it’s long-lasting to enjoy a pest-free home all season long.

What is the Best Spray for Ants in 2022? – Your Expert Buyer’s Guide

Ants sprayThe warm weather is here, and so are the ants. At first, they were crawling around outside, but now you’ve spotted a few of them inside. Your kitchen is clean, but the little pests search for food and water everywhere. You want them gone. Do you need to use a different kind of ant spray inside than you can use outside? Is there a commercial spray safe to use where your kids play? Is there a natural ant spray you can make yourself that’s safe and effective? Keep reading. We have the answers to your questions in this article.

Top Choices for Indoor and Outdoor

Ants are crawling around inside and outside. Because there are so many, spraying seems the most practical way to get rid of most of them quickly. Each spray has different ingredients and works differently, making it difficult to choose.

An inside ant spray should:

  • Be safe to use in areas where food is stored or prepared.
  • Work fast enough to stop further infestation.
  • Work slowly enough that dead ants aren’t littering your house.
  • Be safe for humans and animals.

In addition, you should be able to spray the poison or repellent in a stream to go precisely where you want it.

An outside spray should:

  • Cover large areas efficiently.
  • Cause minor, if any, damage to landscaping.
  • Be harmless to foundations, wood, or paint.
  • Be safe for humans, animals, and birds.

When using a poisonous outside ant spray, you also need to know where the residue ends up if it rains or if you water your landscaping or garden.

Two of the best-selling ant sprays are Ortho Home Defense and Raid Max. They are effective for other crawling insects as well as ants.

Other Popular Brands

There are lots of products available designed to get rid of ants in your yard and home. They’re available in garden shops, hardware stores, home improvement stores, and online.

It’s essential to read all labels carefully, especially the warning section on the back label. Some products decorate the front with “natural,” “organic,” or other terms that imply safety. The back brands tend to be more truthful.

Some to consider:

  • Alpine Aerosol PT – made with dinotefuran, a broad spectrum insecticide used in agriculture. It kills rather than repels. It is generally regarded as safe for indoor use but must be kept away from food.
  • Safer Brand Ant & Roach Aerosol Killer – a formula including d-Limonene, pyrethrin, and an insecticidal soap that kills ants on contact. It can be used indoors and outdoors.
  • Spectricide DEET-free Ant Killer – made with lambda cyhalothrin, which is a synthetic version of pyrethrin. It’s labeled for indoor use only.
  • PT Phantom Aerosol II – the active ingredient is chlorfenapyr, a pesticide/insecticide that causes cells to die. It dries into crystals that kill ants when ingested. It does not repel ants and can be used indoors as well as outdoors.
  • Termidor SC – originally formulated to kill termites, Termidor is effective against carpenter ants. It can eventually kill everything in the nest. It contains fipronil, a strong insecticide, and is for outside use only.

Although these ant sprays are generally available, not every state allows every product to be used within its borders. You may be able to find similar products at your local nursery or garden shop.

Flying Ants
Ants are crawling insects, so why do you suddenly see a swarm of them flying?
Those winged pests are known as alates. The swarm is the mating, or marital, flight for males and virgin queens. Once mating takes place, the males of most species die. The fertilized queens gather wingless worker females and start a new colony.
It can be difficult for the layperson to distinguish flying ants from termites without close inspection. If you kill one, try not to smash its body so that you can identify it to use the correct spray to kill the others.

Termite VS Ant

Termite VS Ant

The 3 Best Ant Sprays Made with Natural Ingredients

Natural ant killer sprays that people have found adequate include:

See More ImagesEcoRaider Natural Ant Killer
1. EcoRaider Ant Killer
  • The active ingredients are lemongrass oil and geraniol. Geraniol is an essential oil used in flavorings. It attracts bees.
  • It’s safe to use indoors and outdoors.
  • It kills ants on contact and for up to a month after application.
See More ImagesEcoSmart Ant & Roach Killer
2. EcoSmart Ant&Roach Killer
  • The active ingredients are 1.5% Peppermint oil and 1.5% Rosemary oil.
  • It repels ants if sprayed on their trails, and kills them if sprayed directly on them.
  • Safe to use around children and pets.
See More ImagesWondercide Pest Control Spray
3. Wondercide Pest Control
  • The main ingredient is 4.2% Cedarwood oil, an essential oil beneficial to humans, but harmful to insects.
  • It kills indoor and outdoor ants on contact.
  • This biopesticide is eco-friendly.

How to Make an Ant Killer Spray at Home

Ants live in colonies made up of thousands of individuals. The ants, acting in harmony, each have a specific role. As you see them, you can kill ants one at a time, but you’ll never eliminate your ant problem that way. You need to know how to get rid of ant hills to get rid of all your ants.

Although ants have a home base, certain ones must leave the nest to search for food. Those ants secrete a pheromone that scents the trail they follow during their search. Other ants can follow that trail to and from the nest and the food source.

You’ll know you’ve spotted an ant trail when you see a long line of ants. Disturbing the path interferes with food gathering. Like every other living creature, ants need food. Disturb them enough, and they’ll move their nest somewhere else.

Easy Homemade

SprayDozens of recipes for homemade ant killer sprays are in use. Most of them are made with items you have on hand for other purposes. The recipes are generally simple, inexpensive, and safe to use. Many of them can be used as the best ant repellent, but will also kill ants if applied directly on them.

Common ingredients in homemade ant sprays include:

  • Vinegar – You can use white or apple cider vinegar. You can use either full strength, mixed half and half with water, or in combination with other ingredients.
  • Essential oils – most have a strong fragrance that ants can’t tolerate. Because essential oils are potent, dilute a few drops in a cup of water. The most effective oils are clove, peppermint, and tea tree. Cinnamon is another good choice. You can combine essential oils with any of the other ingredients.
  • Dish soap – as with vinegar, you can use it alone, diluted, or mixed with other products including vinegar.
  • Citrus – ants are repelled by the smell of lemon, orange, grapefruit, and other citrus fruits. Place the peels or spray the juice on ant trails near their nests.
  • Borax and Boric Acid – you can add these powders to any of the above recipes, but you’ll need to heat the water to dissolve them. Both these are toxic to children and pets, so you’ll need to be careful where you use the ant sprays if you add them to your other ingredients.

Ants benefit humankind, so it’s not always the best idea to try to kill every ant that exists. When you spray the above mixtures on ant trails, the ants will generally find a new place to live.

The Ant Spray Options Depending on the Ant Species

There’s a wide variety of ant species. All species also undergo life cycle changes. Choosing an effective ant spray includes knowing what kind of ants are invading your property and whether they’re settled in, swarming, or searching for a new home.

Then you need to decide if you want to make your resident ants move on or if you’re going to kill them. Carpenter ants and fire ants are two species you almost always want to eradicate.

Carpenter ants are nocturnal, which makes locating their nests difficult.

Argentine ants are relatively new in the States and have proven exceptionally difficult to eliminate. They have hundreds of queens and can move their nests quickly and frequently. Argentine ants drive out native species, which has made them hated in most communities.

  • Killing Carpenter Ants
    These ants are most successfully eradicated with bait stations. If you prefer to use an ant spray, then Bifen I/T Insecticide as described above is your best choice. You also need to remove any damp wood or rotting debris, as that’s their preferred nesting material.
  • Killing Argentine Ants
    If the infestation is outside only, use a spray containing Cypermethrin, a fast-acting pyrethroid form. For inside infestations, rely on a bait station rather than spraying. Inside spraying is not effective on Argentine ants, and it will lead them to establish more colonies outside as a defensive measure. Remove all sources of water as that is what attracts them.
  • Killing Fire Ants
    Monterey Garden Insect Spray with Spinosad Concentrate has proven successful for many people, although Terro and the other products described above are effective in some instances. Remove any rotting wood, as that’s where they like to nest.
    See More ImagesMonterey Garden Insect Spray
    Read Verified Customer Reviews

Ants come into your yard and house looking for food and water. Ensuring there’s nothing edible exposed goes a long way toward getting ants. All water leaks need to be fixed.

But when you have an ant invasion that creates problems, you can use ant sprays to cover large areas efficiently. If you can’t find the ant trails or their nest, you can easily spray wherever you’ve seen them crawling. Sooner or later, the toxic ingredients in your spray will get back to the nest, ending your ant problems.


When it comes to ant killers, there are a lot of products on the market. So, which one should you buy? I’ve talked to homeowners around the country and asked them what their favorite ant spray product is. Based on their feedback, I’ve compiled a list of the three best ant killer sprays for homeowners.

The first product is Ortho Home Defense Insect Killer. This insecticide can be used indoors and on perimeters to kill ants, spiders, cockroaches, and other insects. It contains Bifenthrin, which is known to be effective against ants.

Raid Max Ant & Roach Spray comes in second place. It’s a contact killer that kills ants on contact with a fast-acting formula.

And finally, Bifen I/T Insecticide Concentrate rounds out our top three picks. You can use this concentrate indoors or outdoors to control various pests, including ants, roaches, fleas, and ticks.

Thanks for reading!

You can find further details of Ants Control here.

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