Boric Acid and Peanut Butter Bait for Roaches

If you see roaches in your home, it’s a sign of an infestation of cockroaches. What you need to do is to kill them off.

We’ll show you how you can do that. The boric acid and peanut butter bait for roaches is an effective natural remedy to fight roaches’ infestation. It has few side effects.

How Does Boric Acid and Peanut Butter Kill Cockroaches?

This bait is composed of two materials – boric acid and peanut butter. Let’s see them individually.

Boric acid despite being called acid is not an acid. The boric acid is in powdery form and whitish in color. It’s a mixture of boron and water. The majority of the world’s boric acid is made from borax. You’ll find the boric acid in grocery and hardware stores. When the cockroach ingests the boric acid, it starts to dehydrate and dies within 72 hours.

Peanut butter is a paste made from peanuts. Due to its texture and it’s being a natural product, it attracts cockroaches. Remember that it’s the peanut, not the boric acid that attracts the roaches.

Will boric acid and peanut butter kill roaches?

Borax is a safe, cheap roach killer because it kills them quickly and does not have a dangerous effect on humans.

To use borax to kill roaches, combine the powder with peanut butter and place the mixture in areas roaches like to inhabit.

ALSO SEE: Can I Break My Lease Because of Roaches?

When you set the bait for roaches, all the roaches need to do is walk through the bait. It might eat it. But, if it doesn’t eat it and only walks on it, the poison can get into its system when it cleans its legs with its mouth.

Boric Acid and Peanut Butter Bait for Roaches

How do you mix boric acid and peanut butter?

First, we want a paper plate and to spread the boric acid mixture on the plate. One part boric acid to four parts butter is a good ratio.

Be sure to not over-apply the powder, otherwise, roaches will be discouraged from eating it.

Boric Acid and Peanut Butter Roach Bait

Cockroaches are pesky, but with this, easy-to-make boric acid and peanut butter roach killer, you can enjoy cockroach free living in your home. The boric acid powder is deadly when ingested, yet poses little risk to humans. Mix up a batch of this insecticide with peanut butter bait. Roaches will be attracted to the poison and eventually die.


  • Half Cup Peanut Butter
  • Eighth part of Cup Boric Acid Powder
  • Mixing bowl along with a steel spoon
  • Latex Rubber gloves for handling
  • Keep Away Food Items from this area
  • One dozen Bottle caps

Stepwise Instructions

  1. When using boric acid, be sure to cover your skin with latex gloves. Exposure to boric acid can irritate human skin.
  2. Add peanut butter along with boric acid powder to a bowl and mix thoroughly.
  3. Press the mixture into small container lids (bottle caps), transfer them to a pie tin, and then store it for easy transportation.
  4. Place rubber jar lids in areas where roaches have been seen or are suspected to commute. Place them under and behind the fridge, stove, and dishwasher and under sink areas. Place them in cabinets too.
  5. Make sure you clean up any powders that are left in our work area. Make sure you wash your hands with soap and water if they have touched the mixture.

How to Set the Bait for Roaches?

The boric acid and peanut butter bait for roaches are very easy to set. You have to follow the steps below properly.

  • Mix one part of peanut butter with a quarter part of boric acid.
  • Put in small quantities in corners and hard-to-reach areas.


Even though boric acid on the whole is not harmful, you should be careful with how you use it. Boric acid can cause skin irritation depending on how much you’re exposed to it. You can take the following precautions when handling boric acid.

  • Wear a glove when handling the mixture.
  • Keep the baits in areas your pets and little children can’t get to.
  • Wash the utensils you used in mixing the bait immediately after use.
  • Don’t inhale the boric acid when mixing. It can cause severe respiratory problems.
  • If you’re unsure about what to do, ask a professional for help

Insecticidal Dust Trap

Place peanut butter along with boric acid in the centre of a paper plate in order to kill cockroaches. The borax will be sprinkled across the surface, and roaches will pass through it on their way to the bait.

Thinking that they are getting away clean, they will take along some borax with them when they’re done grooming, ingesting it at a later date.

Final Words

Boric acid and peanut butter bait for roaches is a highly effective homemade method to get rid of cockroaches. However, there are some downsides to it. If improperly used, it can be ineffective. You should also take the necessary precautions so as not to endanger yourself.

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