How to Use Borax Mixtures to Kill Ants

Written by mary ylisela Google
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How to Use Borax Mixtures to Kill Ants
When ants invade your yard or home they are searching for food and water. (Jupiterimages/ Images)

Borax, or boric acid, is a natural substance from the earth that is toxic to ants and other insects. If you have an ant problem in your home and want avoid the use of chemical-laden pesticides, borax is an organic alternative that is also effective. When used to kill ants, borax is mixed with other ingredients that attract the ants to come and eat the borax bait. Ingredients commonly found in the kitchen are all that's needed to make your own borax mixture to kill ants.

Skill level:
Moderately Easy

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Things you need

  • Bowl
  • 1/4 cup creamy peanut butter
  • 6 tbsp honey
  • 3/4 tsp borax powder
  • Spoon
  • Yoghurt containers
  • Scissors
  • 85.1gr sugar

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  1. 1

    Stir a quarter cup of creamy peanut butter, six tbsp of honey and three-quarters tsp of borax together in a bowl. Mix the three ingredients well with a spoon to distribute the borax evenly.

    How to Use Borax Mixtures to Kill Ants
    Peanut butter and honey make an attractive treat for most ants. (peanut butter on a cracker image by robert mobley from
  2. 2

    Remove the lids from clean yoghurt containers. Spoon some of your borax bait into the bottom of each empty yoghurt container. Replace the lids on the containers.

  3. 3

    Punch a few holes into the yoghurt containers' lids using kitchen scissors. The lids keep pets and small children out of your bait, and the holes allow ants easy entry and exit.

    How to Use Borax Mixtures to Kill Ants
    Create entryways so ants can come in and eat your borax mixture. (scissors image by dinostock from
  4. 4

    Place the borax bait containers in areas where ants have been seen. The ants enter the yoghurt containers, eat some bait and bring some back to share with those that remain in the colony.

  5. 5

    Change the bait traps every three days. Alternate the honey and peanut butter bait with a bait made of one tsp borax, three ounces white sugar and enough water to make it syrupy in consistency. Place your new bait traps out so they can continue to attract and kill ants.

Tips and warnings

  • Place bait traps out for four to six weeks in order to kill the entire colony.
  • Alternate one tsp borax mixed with a jar of jelly for a sweet bait. Changing baits every few days keeps the ants interested and coming back.
  • If ants are still present after four to six weeks, call a professional exterminator.

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