The Best Indoor and Outdoor Ant Killer Reviewed 2021: For Getting Rid Of Pests And Safety Tips


House ants are terrible and annoying little animals that can poison your life for years to come. Their bites are painful and they often transmit infectious diseases. In addition, they are very difficult to get rid of – they can be killed just to see the arrival of a new army. The only effective method of killing ants is to completely destroy the entire nest.

Product Feature Comparison Chart

This chart is based upon ant killer comparison and presents their basic parameters which can be meaningful to the buyer. All the data is retrieved from various reviews which were aimed to determine the best insect killer for ants. Typically, customers are interested in such product features as weight, active components, mode of use, target insects, area of application, toxic safety and price.

BrandWeightActive componentDosageTarget pestsApplication areaToxic safetyForm
Ortho Ant Killer12 ozacephate1 tsp over each moundvarious types of antsshrubs, trees, flowers, lawns, ornamental plantssafe, but the instruction shall be followedGranules
TERRO T901-6 Ant Killer3 lblambda-cyhalothrin1 or 2 tsp over and around the mound;fleas, ants, cockroaches, mites, bugs, silverfish, etc.lawns, gardens, any outdoor objectssafe, but the instruction shall be followedGranules
Monterey Insect Spray32 ozspinosad2 oz. plus 1 gal of water per 1,000 square feet. ants, caterpillars, worms, webworms, Colorado beetles leafrollers,  sawflies, gall midges, borers, conbores, sod armywormsgardens, vegetables, fruit trees, lawns, ornamental plantssafe, but the instruction shall be followedLiquid
Amdro Ant Bait24 ozhydramethylnon4 oz per 180 linear ft. various types of antslandscaped areas, lawns, areas around homesdirect exposure shall be excludedGranules
Bayer Ant Killer Dust16 ozbeta-cyfluthrin1/2 tsp to 1 oz per 1 gal of water (3 gal cover 1,000 square feet.)bees, flies, spiders, ants, fleas, crickets,   termites, ticks, etc.various outbuildings, decks, garages, fences, lawns, trees, shrubs, etc.safe, but the instruction shall be followedLiquid
Advance Ant Killer8 ozabamectin8 oz per 1/2 acrevarious types of protein-seeking    ants (acrobat, bigheaded, carpenter fire, little pavement, thief antshomes, various types of buildings, food storage areas, parks, lawns, etc.safe, but the instruction shall be followedGranules
Advion Ant Bait2 lbs, 2 # jugindoxacarb 5 oz per 1,000 square feet. differentypes of antsrecreational areas, lawns, non-crop areassafe, but the instruction shall be followedGranules
Combat 10023400973061 Max1.6 OzFipronilOne syringe around the home or in outdoor ants gathering places in small dropsAll types of antsIndoors and outdoorsHazardous for people and petsGel
Safer Brand 51703 Diatomaceous Earth4 lbsDiatomaceous earthThe dosage is defined by guess-workAnts, bed bugs, cockroaches, fleas, earwigs, silverfish, crickets, millipedes and centipedesKitchens, living rooms, attics, basements, garages, beds, patios, exteriorsNon-toxicPowder
Raid Ant & Roach Killer Insecticide Spray17.5 OzImiprothrin,CypermethrinIt works on contact. Spray around the places where they tend to gather until the surface is wetAnts, roaches, and other crawling insectsIndoors onlyHazardous for people and petsSpray

Before buying a household killer for ants, each customer should define the intended purpose of the treatment. All the ant killer features shall correlate with the use of this product. Taking into account the above-mentioned information, as well as the budget and personal requirements, one can easily choose the best natural killer for ants in house and outdoors.

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✅ Best TERRO T300B Liquid Ant Killer

An effective tool of poisonous destruction – If people took the time to read the instructions, they would learn that it can take up to 2 weeks to kill an active colony of ants. It’s bait. It’s a slow kill poison. It’s DESIGNED to attract the whole flipping swarm of ants constantly invading your space.

Our Ant Killer Testing Procedure

There are thousands of products on the market today. This part of the review presents testing of products that have been highly rated in various reviews and can be found on the Internet when you enter the query “Amazon natural fire ant killer” or “What is the best ant killer?”

The purpose of this testing is to show the top-selling products in the anthill category and to give an objective opinion, including the negative and positive aspects of each product.

Procedure:

  • over 35 different ant killers selected;
  • all the products have been examined by means of compositional analysis;
  • the test samples were applied on the target areas occupied with various pests, all the product instructions being followed;
  • application area, acting components, functionality, target pest range, effectiveness, and toxicity have been compared.

Best Products in the Ant Killer Category

In accordance with the test results, there are top 7 ant killers which have shown the best performance. This review comprises a brief description, positive and negative features of each product. The customer would choose the best insect killer for ants taking into consideration the information below.

Ortho 12-Ounce Orthene Fire Ant Killer

Review

Definitely, this is an effective remedy for the house owners struggling with fire ants. Just one tablespoon of the product is sufficient to treat one mound. This remedy was tested in the recent research referred to as ‘ortho vs spectracide bug killer for ants’. Ortho treatment is acknowledged to be more effective natural killer for fire ants as it showed better performance. This product starts its action immediately and it is possible to see the result in mere hours.

What we think

We have virtually no complaints about this ant killer: it works, and it does its job really well. It is effective against roaches as well. That said, avoid using it at home, especially if you have small kids and pets – the substance is toxic and has a strong smell.

PROS

  • easy to apply;
  • budget-friendly;
  • long-lasting effect; very effective;
  • kills the queen;
  • doesn’t require water;
  • the bottle content is sufficient to treat 54 mounds; harmless to plants.

CONS

  • a strong unpleasant smell;
  • hard to open.

TERRO T901-6 Ant Killer Plus 3lb. Shaker Bag

Review

TERRO T901-6 is a multifunctional treatment against cockroaches, fleas and various types of ants. Lots of house owners use Terro ant killer for carpenter ants extermination and report on its effectiveness. This product can be applied around the house perimeter or in localized spots directly. Besides, this ant killer is good for lawn treatment. Immediately after application it should be watered. TERRO T901-6 provides long-lasting protection for at least three or four months. To get the best result use this product in cool weather.

What we think

On the plus side, the product is effective and versatile: it can be used against several types of fleas, roaches, and ants. On the minus side, it is very toxic, so keep it away from kids and pets. Keep in mind that its effectiveness is lower in a rainy and very hot weather.

PROS

  • trustworthy manufacturer;
  • fast-acting;
  • convenient package;
  • no need to apply directly onto the mound;
  • provides residual repellency;
  • very effective;
  • kills lots of insect types;
  • good price.

CONS

  • very toxic – only outdoor use;
  • not for rainy season as the rain may wash the treatment granules away.

Monterey Garden Insect Spray with Spinosad Concentrate

Review

Monterey Spray is known for its safety and high quality. This is definitely the best ant killer for small red ants. The product is perfect for the treatment of fruit trees and vegetables. The acting insecticide ingredient is produced by fermentation. The insect is eliminated within 2 days after ingesting the active component. This product is a concentrate and shall be diluted with water. The ready dilution should be used on the same day as it would lose its effect within 24 hours.

What we think

If you need to protect fruit and vegetables from pests, try this easy-to-prepare spray. The bottle is big, so it will cover the needs of big garden owners. The product is low-toxic – it won’t impact the edibility of vegetables. Mind that you may need to use it several times to achieve a 100% result.

PROS

  • good for killing a wide range of pests;
  • can be used on edible plants;
  • the latest agricultural development;
  • very effective;
  • can be used in all conditions.

CONS

  • not the “ready-to-use” product;
  • the price is quite high.

Amdro Ant Block Home Perimeter Ant Bait Granules

Review

This product is known to be the special ant killer for carpenter ants but it is a good remedy against many other ant types. Amdro treatment is quite economical as one jug content is sufficient to cover a huge area. Ants see the bait, try it, take it to the nest, and share it with the whole colony. Usually, Amdro granules eliminate ants within one day.

What we think

The product is effective and easy to use. But it doesn’t work for all ant species. Thus, small black ants are too small to swallow the granules, so bear it in mind. The bait is toxic and must never be used indoors.

PROS

  • kills the queen and the colony;
  • big coverage area;
  • very effective;
  • budget-oriented.

CONS

  • not for use in vegetable gardens;
  • doesn’t eliminate small black ants: the bait is big for them.

Bayer Advanced Fire Ant Killer Dust

Review

This product is considered to be one of the best ants killers for lawns. Bayer Ant Killer Dust is able to cover more mounds per package than similar products. Ants are eliminated within 1 hour after the treatment. Besides, this ant killer can be used against lots of insects and it is recommended by many customers. No additional components are required for the application.

What we think

We love the efficiency and absence of smell in the product. It is one of the most economical ant killers around that easily copes even with large colonies. That said, it is a bit too expensive if compared to the counterparts.

PROS

  • fast-acting;
  • no smell;
  • easy and convenient application;
  • budget-oriented;
  • no need of water;
  • eliminates the entire colony.

CONS

  • very toxic – outdoor use only;
  • seems to be overpriced.

Advance Select Granular Ant Bait, Ant Killer, Ant Poison

Review

Advance Ant Bait is a safe and reliable treatment against insects. This product may be recommended when the customers ask ‘what is best ant killer for carpenter ants?’ This treatment is based on protein and contains a natural insecticide which acts as a delayed action poison. Ants grab the bait and expose it to the other ants in the colony which results in elimination of the whole pest population. The product shall be applied directly on the mound. One pound of the treatment covers one acre of the surface area.

What we think

The product is for you if you want to get rid of ants with no hassle. It is of ready-to-use type that doesn’t require preparation. Just sprinkle it on the mound and wait. Keep in mind that it is not effective enough against bigger species.

PROS

  • a ratio of good price and performance;
  • eliminates the whole colony;
  • asy to use;
  • can be used indoors and outdoors;
  • kills a wide range of ants.

CONS

  • seems to be overpriced;
  • doesn’t work on big species.

Advion Fire Ant Bait

Review

This product stands out of the crowd thanks to its versatility, quick action, and effectiveness. Sometimes customers ask, ‘Can I use roach killer for ants?’. Actually, this treatment is perfect to eliminate both cockroaches and ants because its active indoxacarb component is poisonous for these pests. The product starts working immediately and the final result is seen within 1 or 2 days.

What we think

The product is great, so we have almost nothing to complain about, except for, maybe, its relatively high price. That said, it is very economical: in most cases, one bottle will last for a year.

PROS

  • very effective ingredients;
  • fast killing action;
  • kill the whole colony;
  • kills a wide range of pests;
  • a well-known manufacturer;
  • easy to use.

CONS

  • expensive;
  • may require a spreader.

Combat 10023400973061 Max

Review

This fast-acting ant bait comes in the form of a gel, which makes it incredibly easy to use. Its formula contains attractants that make pests come and try it. The ants then come back to their mound and carry the poison to the nest. The result is a complete elimination of the entire colony.

What we think

Thanks to the convenient syringe, the gel is very easy and safe to apply. No need to touch it with hands: just squeeze out the needed amount of the bait and apply small drops in the locations where ants commonly gather. The effect is seen in a couple of hours, and in 1-3 days the pests disappear.

PROS

  • effective and fast-acting;
  • easy to apply;
  • eliminates the entire colony;
  • effective against most species;
  • affordable and economic;
  • can be used indoors and outdoors.

CONS

  • the tube is small;
  • hazardous for people and pets.

Safer Brand 51703 Diatomaceous Earth-Bed Killer

Review

This is a good old dust in a new format. It comes in the form of a diatomaceous earth-based powder that is applied on the surfaces where insects tend to gather. The product doesn’t contain toxic chemicals – insects die because of dehydration in 1-2 days after they swallow the powder. It is effective against a wide range of insects.

What we think

Using diatomaceous earth is one of the simplest ways to fight against ants and roaches. It is inexpensive, easy to apply, and doesn’t cause any serious harm to the nature and people. On the minus side, it doesn’t eliminate the whole colony, unlike some modern chemicals.

PROS

  • easy to apply;
  • non-toxic;
  • affects a wide range of insects;
  • the pack is large;
  • can be used in all residential and non-residential rooms.

CONS

  • doesn’t eliminate the whole colony;
  • loses its efficiency in the wet conditions.

Raid Ant & Roach Killer Insecticide Spray

Review

This is one of the most effective any killers working on direct contact. The spray is applied on the infested surfaces; ants, roaches, and other crawling insects come in contact with it and die. The effect is preserved up to 4 weeks after the application.

What we think

Raid is a strong brand that offers highly effective products. The population of bugs significantly reduces after a single use. Keep in mind that the spray is toxic, so you need to leave the home immediately after the application until it completely dries out. Don’t forget to cover food products and cookware before using the spray.

PROS

  • effective and easy to use;
  • a noticeable effect after a single use;
  • the effects is preserved up to 4 weeks;
  • kills a wide range of insects.

CONS

  • high-toxic;
  • doesn’t eliminate the colony;
  • works on contact only.

The Conclusion: Best Price and Quality

All the above-mentioned ant killers are effective and can really help to struggle with pests. But still, each treatment has its pros and cons. Answering the question ‘what is the best insect killer for ants?’, it is necessary to take into account the customer demands, target pests and the application area.

In terms of safety Ortho Ant Killer is the leader; also, it doesn’t require water. Besides, this treatment has a long-lasting effect within half a year period and it is recommended as the best ant killer for big red ants. TERRO Ant Killer is considered to be the most effective ant killer for black ants. It has a very convenient package and doesn’t need a chemical spreader. Monterey Garden Insect Spray is perfect for vegetable and fruit trees treatment and has a powerful acting component. This product is acknowledged as the best bug killer for outdoors ants. Amdro Ant Bait is considered to be the best ant killer for small ants because its granular size fits for the tiny pests better. Besides, this product is acknowledged as the natural ant killer for fire ants outside due to its organic compound. One of the most popular web search queries among the house owners is ‘bayer advanced killer plus insect killer for carpenter ants and termites’. Bayer Dust stands out due to its functionality and versatility but this product shall be used taking all the precautions as it is very toxic. Advance Ant Bait can be used both inside and outside the buildings and is known as the best indoor ant killer for black ants. Advion Ant Bait is a good ant killer for big ants. This product is acknowledged for its effective composition and fast action.

It is really important for what purpose the ant killer is bought. Before making the purchase, look through the trusted manufacturer products and study all the customer reviews.

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