Wilson® ANT OUT®
Ant Killer Dust

Former name: Wilson Ant Out Ant Dust Killer

Ants aren’t good neighbours, they’re unfriendly pests. Stop invasive ants with Ant Killer Dust. This ready-to-use product is intended for general use, but is especially good for cracks and crevices wherever you may find them, indoors or outdoors. Applying it around the perimeter of your home will create a barrier that ants will have to try and crawl through, thus initiating contact and killing them within 48 hours. Another ant bites the Dust! That’s the idea.

Benefits and characteristics

Kills ants within 48 hours

Kills ants within 48 hours

Controls ants indoors and outdoors
Controls ants indoors and outdoors

Product is effective as long as it is present

Product is effective as long as it is present

Odourless and will not stain

Odourless and will not stain

Where to use

  • Indoors and outdoors

  • Lawn

  • Edible gardens

  • Patios, porches and decks

  • House foundations

  • Trees and shrubs

Effective against

How to use Wilson ANT OUT Ant Killer Dust

Lightly coat desired areas.

Outdoor use
For best results use in areas where dust application cannot be affected by heavy rains or high winds.

Indoor use
Lightly coat areas where ants are seen or could hide.



  • Avoid breathing dust.
  • Do not use as a space spray.

Do not reuse empty container. Recycle empty container or discard in household waste.

Store in a dry area. Keep out of reach of children and pets.

For additional product information or in case of emergency, spills or fire, call toll-free 1-800-268-2608.


General precautions

  • Keep out of reach of children.
  • Wash hands thoroughly after handling and before smoking or eating.
  • Environmental: toxic to aquatic organisms, birds, bees and beneficial insects.


Hazards to humans

Can cause irritation to eyes. Can be harmful if ingested.


If in eyes

Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses if present after the first 5 minutes, then continue rinsing eye.


If inhaled

Move person to fresh air. If person is not breathing, call 911 or an ambulance, then give artificial respiration, preferably by mouth-to-mouth, if possible.Take container, label or product name and P.C.P. Registration Number with you when seeking medical attention.


In every case, call a poison control centre or doctor for treatment advice.

Download safety data sheet link

Silicon dioxide 90% (present as diatomaceous earth).

Frequently asked questions about Wilson ANT OUT Ant Killer Dust

ANT OUT Ant Killer Dust contains 2 food grade attractant additives to entice insects because ants are attracted to different types of food during their life cycle. It also contains diatomaceous earth, which is a powder made from the sediment of fossilized algae. Its particles have sharp edges that look like broken glass when examined under a microscope. Once the powder is absorbed by the insect's body moisture, the insect dehydrates and dies.

ANT OUT Ant Killer Dust’s diatomaceous earth is an alternative to chemical pesticides when trying to kill ants. Diatomaceous earth is not toxic to humans or pets. However, as with any powdery substance, diatomaceous earth can cause respiratory discomfort when inhaled so be sure to avoid breathing dust.

When you place the dust on the floor and ants ingest it, it will take between 12 and 24 hours to kill them. If you have scattered it on ants, then it will work within 48 hours. ANT OUT Ant Killer Dust remains effective as long as it is present and dry. It will kill the ants that come across it, however that is typically only a portion of the ant colony. You will need to refresh your application from time to time to control more ants. You can also use ANT OUT Ant Bait to eliminate an entire ant colony.

No. ANT OUT Ant Killer Dust is not waterproof. It will remain effective as long as it is present and dry. If you are looking for a product that is more resistant to moisture, we recommend using ANT OUT Ant Bait.

Yes. However, we always suggest contacting a professional exterminator for carpenter ant infestations because these are very tenacious insects that can threaten the structure of a dwelling. As well, it is very difficult for non-professionals to identify the nest.

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