Top 6 Best Ant Sprays for Indoor and Outdoor Use, Review & Tips

Are you looking for the best ant spray to get eliminate out a colony in your home? Although ants crawling around your home can be harmless, but their presence can be somehow annoying. When you notice one ant around, chances more are coming are already they have established their colony somewhere in your house.

The good news is that, there is a quick and effective solution to your problem. Ants sprays act quickly and effectively to kill ants on contact. Are ant sprays effective? Ant sprays are the most effective ways to deal with ants in your home. They leave a residual effect long enough to continue killing the ants once sprayed. This residual usually last for a couple of weeks to months once applied.

When you succeed killing a few ants with one of the best recommended ant spray here, follow the ant trials, and keeping spraying to kill as much ants as possible. Spraying the ant trails directly disrupt their communication signal making it difficult for their colony to grow.

This article here describes some of the top and best ant sprays that can help you eradicate ants and many other common pests.

When you see a few ants don’t ignore them. The next thing you know, there will be a surge of ants moving in and out of the kitchen. Ants have no problem finding the smallest holes, crevices and cracks to enter your home.

Ants will move in your house in search of food always leave a pheromone trail for the others to follow. Here is where you need ant sprays to fix this problem. Ant sprays kill ants on the spot. The spray will continue working for a couple of days after the initial spray.

Note: not all ant sprays are the same, some are good for both indoor and outdoor use, while others are only effective when applied outside. Also take into account the safety measure to avoid health risks involved while using the sprays.

Top 3 Best Indoor Ant Spray – Review

Before using ant spray inside your house, make sure that the ant spray is labelled as for indoor use. Below here are some of the best ant indoor sprays recommended for you:

1. Raid Ant & Roach Killer

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Raid Ant & Roach Killer has potential to kill ants and roaches immediately after application. It has cypermethrin and imiprothrin as the main chemical ingredient, which kill the ants on the spot.

When dealing with ants and roaches inside your house, you should go this product. It gets rid of ants in your home instantly.

Reasons Why You should Buy – Merits

  • Kills the ants on contact
  • It is easy to use, just shake the can and hold it upright before spraying
  • Has a residual effect – meaning it can continue killing the ants coming to the sprayed area for a couple of days
  • The smell is minimal, you cannot feel it minutes after use


It can be harmful to you and your pets – read and follow the guidelines. Do not inhale the spray and immediately wash your hands once after use.

2. Ortho Home Defence MAX

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Ortho Home Defence MAX is another quick solution for all your indoor ant problem.


Here is why you should buy this ant spray.

  • It kills ants on contact
  • Offers long-lasting protection against the returns of the ants, it could last up to 12 months on non-porous surfaces
  • It works for a variety of ants including the carpenter ants, fire ants, argentine ants, pharaoh ants, pavement ants, pyramid ants, and harvester ants.
  • It is odor free and leaves no stain or residue
  • It is easy to use, you can quickly re-apply
  • You can use it anywhere inside your house

DO NOT use it near the kitchen or where water can be contaminated. Always remember to wash your hands after use.

3. Hot Shot Ant Killer Plus

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You want to forget all you ants’ problem? Here is an effective ant spray to use to eliminate ants moving in and around your home. Use Hot Shot Ant Killer Plus to kill and get rid of the ants immediately.

This is water based ant spray is odorless and leaves no residue. Permethrin and tetramethrin are the active ingredients that are effective in killing the ants on contact making it one of the best effective insecticide.

It can be use inside the house to kill different types of ants apart from the fire ants, pharaoh ants, and harvester ants. It is easy use, just shake the can well and spray directly on the ants and on the pheromone ant trail.

Tips for Using Ant Spray Indoors

When applying ant spray indoors there are necessary steps or tips to follow. Here are some of them:

  • Avoid inhaling or ingesting the sprays. As soon as you finish applying, leave the room and ventilate before coming back.
  • Always wash your hands after using the sprays, especially if the spray come into contact with your skin
  • Do not apply the ant spray near food or water containers

Top 3 Best Outdoor Ant Spray – Review

Ants do not just invade your home, some ants tend to build their nest outside your house. This can have adverse effect on your lawn, you can use ant spray meant for outdoor use to eliminate them and their colony.

Below are some of the best ant spray for outdoor use we’ve recommended for you:

4. Adams Plus Yard Spray

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If you intend to successfully get rid of those annoying ants found in your garden, then look no further. Adams Plus Yard Spray will get the job done for you effectively. It has permethrin as the active ingredient.

This ant spray works effectively up to four weeks after application. Just a single bottle, you can treat up to 5000 square feet of land. This means you can use this spray to control and get rid of ants in your lawn, shrubs, trees, and flowers.

It is easy to use, just snap off the tab on top of the sprayer. Shake well. Then attach it to the water hose, turn the water and spray it all over to cover as much areas depending on your need. For good results, apply the spray in good weather and when no rain is expected.

5. Cutter Backyard Bug Control Spray Concentrate

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This another effective and one of the best spray to use for getting rid of ants in your backyard. It will keep the carpenter and harvester ants away from your yard up to 12 weeks. Once you apply, you don’t to worry about ant infestation especially during summer.

Other than controlling and getting rid of ants, it can also get rid of mosquitos and flees. With just one bottle, you can cover a large area say up to 5000 square meters. It is simple to use, just attach your water hose and turn it on. Spray the area of your lawn or garden especially when the weather is calm and no rain is expected for the next one day.

6. Raid Ant & Roach Barrier Spray

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Here is another ant spray that kills ants instantly outside your house. Raid Ant & Roach Barrier Spray is effective in killing almost all kind of ants. It works immediately by killing the ants on contact. It has deltamethrin as the active ingredient.

You can use to kill ants outdoors. Use it to spray around the doors and windows and in areas where the ants are seen to be coming from especially where it can be difficult to reach. It doesn’t kill just the ants seen but it also prevent ants from coming back again. To get good results, make sure you apply the spray when the weather is dry or no rain is expected. Also wash your hands after use especially if the spray comes into contact with the skin.

Tips for Using Ant Spray Outdoors

Before applying the ant sprays outside your house, here are some of the tips to follow to get the desired results:

  • Remember to apply the sprays when the weather is calm. Do not apply the product when rain is expected in the next 24 hours. Rain will wash the sprays and reduce its effectiveness. Apply the sprays in good weather especially in the morning.
  • Avoid inhaling or ingesting the sprays
  • Wash your hands after use
  • Keep your pets and children out of the sprayed area for some hours- the guidelines are usually written on the product. Be sure to read them carefully before application

Are Ant Sprays Harmful to Human?

Generally, ant sprays are not harmful to humans. But still follow the guidelines indicated on the product and use them with care. Most of these commercial manufactured products have ingredients that are less harmful to humans unless you are exposed to longer period of time.

But still avoid inhaling the ant sprays. If you can, put on protective personal equipment such as gloves and face masks. You can avoid getting direct contact with the ant spray. Wash your hands immediately after use. The chemicals in the pesticide can irritate the skin.

Some ant sprays have unpleasant smell that can cause coughing and sneezing to some people. If you are allergic to the sprays, you can choose the odor less sprays.

Are Ant Sprays Harmful to Pets such as Dogs, Cats?

Although the ant sprays are less toxic or their main ingredients are not harmful directly to pets, you should keep your pets away while applying the sprays. The effect on dogs and cats can be different as compared to humans. While spraying the pesticides, as a precautionary measure keep the pets away for some hours.

How Do the Ant Spray Work?

Ant sprays generally work on contact – killing the ants instantly as soon as you spray them. Most the ant sprays have residual effect, means they continue to work in long term and keeps the ants from coming back. The period depends on the type of ant product you use and the active ingredient. Most last from several weeks up to 4 months.

How Long Should I wait after Spraying?

For indoor use, make sure you close the indoors and all windows then spray the affected areas. Once you are done, exist the room and wait for about 2 hours. You can now open the windows and doors but don’t enter the house. Wait for time until the house is fully ventilated.

The period for waiting varies and depends on the type of treatment and area you are applying the sprays. Usually the guidelines are written on the product, make sure to read and carefully the instructions as indicated on the product.

For outdoor use, you can wait for some hours let say up to 6 hours before you or your pets get close to the lawn and specifically the treated.

How to Choose the Best Ant Spray?

As mentioned earlier and throughout the post, most ant sprays act as contact killers. You may also want to look for sprays that give residual effects. Go for sprays that are environmental friendly and insecticides that are manufactured from natural sources. This is to make sure your pets and kids are safe.

Some sprays use powerful chemical ingredients that stays in the air and on the surface of the ants. This is great since the sprayed ants can spread the chemicals to other ants in the colony. Simply put as getting one ant to carry the poison to the colony.

For indoor use, avoid ones with long residual effects but those with long residual effects can be used to get rid of ants outside the house.


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