How Long Does It Take For Borax to Kill Ants

How Long Does It Take For Borax to Kill Ants

Usually, the first line of defense against ants is some sort of poison that will kill them and keep them from coming back.

But you can also make an ant trap with borax, or you could use some bait like sugar and honey. So, how long does it take for borax to work?

Some people prefer Borax Flea Killer for its natural properties. How long does it take for borax to kill ants?

  • Simple answer, 24-48 hours. The ingredient in the borax bait damages the ants’ digestive system and it’ll kill the ant in 24-48 hours.
  • Borax is an effective ant poison is because it takes a long time for the chemicals in the borax to kill ants.
  • Within 24-48 hours, often ants will eat the borax bait and share it (especially the worker ants) with the queen and other ants in the colony.

That’s what we’ll be exploring in this article!

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Details: How Long Does It Take For Borax to Kill Ants?

For an ant, it can take anywhere from 24-48 hours to die after eating borax or boric acid bait.

  • Borax can kill ants, but the ants do their work for you. Forager or worker ants will carry the borax bait back to their nests and share it with other ants.

Though it may take anywhere from 24-48 hours, the ants will feed and share the borax amongst themselves; this will gradually kill off an entire colony of ants, eventually killing their queen.

Related: Bed Bugs vs. Ants

Does Sprinkling Borax Help Kill Ants?

NO. Sprinkling borax around your home won’t kill ants. If you want to get rid of ants using borax, the insects have to eat it! That’s where the borax ant bait comes in.

People often wonder if sprinkling borax on their lawn will get rid of ants. Sprinkle the borax powder around your yard, near ant mounds and other places where ants are.

  • Sprinkle borax or mix honey in the mixture with borax and then sprinkle in places where ants will find it.
  • Sprinkling borax may be a quick fix for ants but when sprinkled on the ground, it can also kill grass and plants.

Entry points for ants include;

  • Utility Lines
  • Flooring Holes
  • Doors and windows
  • Exhaust Fans and Dryer Vents
  • Foundation Gaps
  • Wall cracks

Related: is borax safe for dogs

There are a few signs that can help you determine whether or not ants have invaded your home.

  1. Look for ant mounds: Ants will make small, dome-shaped hills out of the dirt in order to live. As time goes on these mounds become more frequent and larger; they may also be close together as the colony grows over time.
  2. Look for ant trails: If you see long lines of tiny insects wandering aimlessly around your house then that’s a big sign an infestation is underway – and something needs to be done! These trails will sometimes lead up walls or seem like they’re going nowhere at all these ants might be looking for food or nesting areas; other times there’s actually nothing going on, and the ants are just exploring.
  3. If you think your home is infested with ants: You’ll need to look for any sources of food or water that might be attracting them – like crumbs from a forgotten piece of toast, sugar stuck in small crevices around counters, or sipping some spilled milk. The best way to tackle an ant invasion is by eliminating these temptations first before applying other methods (like sprinkling borax).
  4. Don’t forget about traps! Setting up bait stations near entrances can help stop new invaders from coming inside which will ultimately make things much easier down the road. Ants also don’t seem to recognize many scents as dangerous so using peppermint oil may not work; you can also use cinnamon oil, which has been proven to be very effective.
  5. When you’re done inspecting and bait-setting up, it’s time to start the borax treatment plan by sprinkling some on every surface that ants are known to crawl: Your kitchen countertops and floors, windowsills, window ledges (make sure not do this if your home is in a high rise because they’ll just walk right off), under furniture legs where pets like to sleep or eat; anywhere there might be crumbs for them to feast on.

Related: Remove Ants from Bathroom

How to Do Ant Baiting

On ant baiting, here are a few tips for getting ants to take your bait back to the colony, which will help ensure that you don’t have any ants come back.

  • Avoid ant sprays – Sprays are an effective insecticide for killing any type of pest, but should not be used around ant baits. Spraying near your ants’ bait usually deters or repels them from eating it.
  • Positions baits on trails – To work successfully, ant bait must be situated near trails. Ants often forage in groups or “trails.” If you can locate where the ants are trailing, this is an ideal location to place and best bait.
  • Remove Harborage places – Ants will nest in dark places where they are well hidden, like in the yard or leaf piles. So, frequently clean up and make sure your house is not cluttered.
  • Don’t disturb – Don’t kill ants that come around the borax bait. These are scouts who help find food for their colonies – they will carry the bait on their back to their nest.
  • Remove food sources – Keep your home as clean as possible in order to help prevent ants from coming into contact with any food sources. Also, store all of your food inside containers that have tight-fitting lids.

Will borax kill the queen ant?

Borax or boric acid combined with a sugary substance to make a liquid bait will kill adult ants including the queen.

  • But to kill ant larvae, create a borax bait with white sugar and borax (at a ratio of 1:1) and mix these ingredients until they are thoroughly mixed.
  • The larvae are more sensitive than adult ants so this mixture is lethal for them and also kills some insects such as termites.
  • Place baits on ant trails. This includes any surfaces where ants are found, such as railings, sidewalks, and walls.

For best results use this method during the late evening when all types of ants are present and feeding but before midnight because that is when most immature stages die off naturally.

  • Also, leave out baits containing sugar after sunset since these become ineffective at night unless you add another attractant (such as sugary aphid honeydew) which will only work for ants that are attracted to sweet substances.

Does 20 Mule Team Borax kill ants?

Mixing 20 Mule Team Borax with sugar in a ratio as close to your count (for example if you have 50 ants then make it half sugar and half Borax) so each ant eats its share and dies.

20 Mule Team Borax is very good at controlling a wide variety of insects.

  • Or perhaps it might be easier just to use borax, which you can find in stores.

Related: 20 Mule Team Borax Pest Control

How Does TERRO Ant Baits Kill Ants?

TERRO® liquid ant baits are pesticide-free bait that will attract and kill ants.

  • Alkaline borax is an ingredient found in many different products, but it’s safe to assume that having water close to boiling temperature will quickly solve any household ants coming into contact with your cereal, oatmeal or spices.

The poison causes the ant’s stomach to burst, killing almost instantly. Ants soon starve from lack of energy and die as their digestive tract shuts down due to this persistent source of alkaloid poison (borate).

The borax in the bait will eventually kill the worker ants. However, it works slowly enough to allow for a few trips by a foraging ant before the effect is lethal.

  • Within the course of a few days, you will likely start to see lower numbers of ants in your home or around the bait.

When using an ant bait station, it is important not to disturb the bait until the ants are fully fed.

Related: Flying Ants vs. Termites


On how long does it take for borax to kill ants: BORAX WORKS! Will Borax Kill The Queen Ant?

Yes! It Works Slow Enough That Allows For Trips By A Foraging Ant Before Effect Is Lethal.


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