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Healthy Home Economist / Archives / Green Living / Pest Control / Safely Get Rid of Carpenter Ants in a Snap

Safely Get Rid of Carpenter Ants in a Snap

by Sarah Pope / Affiliate Links ✔

Table of Contents[Hide][Show]
  • Calling Pest Control for Carpenter Ants?
  • The Natural Approach is Very Effective+−
    • Find Where The Ants are Trailing
  • How to Mix Nontoxic Bait+−
    • Keep Away from Pets and Children
    • Where to Place the Bait
  • A Happy Ending to our Carpenter Ant Infestation

Easy DIY method for getting rid of a carpenter ant infection inside the home without the use of chemicals or other toxic substances.

dead carpenter ant on a wood floor safely removed without chemicals

We’ve had two major infestations of carpenter ants to deal with during the 25+ years of living in our home.

The first occurred shortly after we moved in. Our house was built in 1951 and sits in a semi-rural neighborhood with lots of trees, vegetation, and moisture due to a backyard lake. Needless to say, it is the perfect environment for critters of all kinds including carpenter ants.

The first infestation had me calling the pest control company in a hurry!

Calling Pest Control for Carpenter Ants?

Carpenter ants are huge and very scary looking as you can see from the picture above. While they do sometimes bite, there isn’t any poison, so if you are careful, you can pick them up with your fingers and throw them in the toilet or flush down the drain with no problem.

At the time, though, I didn’t know any of this, so seeing dozens of large ants running around my then retro style 1970’s orange and yellow kitchen was not a pretty sight.

I picked up the phone and called pest control and after a couple of toxic sprayings around our house, yard, and then in our attic over the course of a week or two, the carpenter ants were gone.

The Natural Approach is Very Effective

Our second infestation of carpenter ants happened just a few weeks ago, and this time, I handled it very differently.

Having the knowledge and wisdom of 20 years of green living behind me, I was determined and very confident I could resolve this infestation with zero pesticides and no call to pest control.

My youngest was especially freaked out by the enormous size of the carpenter ants even after I explained that they don’t have a sting like other types of ants and picked up one in my fingers to show her. Unfortunately, my little pep talk and demonstration didn’t do much to alleviate her fears of these intimidating, wriggling creatures.

The carpenter ants were swarming in our kitchen and bathrooms and after starting with just one or two here and there, over the course of a week, they came in by the dozens overnight while we slept making for a very scary turning on of the lights in the morning if you know what I mean. We spent the first 15 minutes of the morning vacuuming them up before we could even get started with breakfast!

Find Where The Ants are Trailing

After watching and observing their patterns over the course of a day or two, I determined that their primary mode of entrance into our home appeared to be the drain of the dishwasher.

Knowing where the carpenter ants are getting into the house is a helpful piece of information, but not entirely necessary if you wish to eradicate them yourself via nontoxic measures.

In our case, the dishwasher drain seemed a likely ground zero, so I mixed up my carpenter ant killer ambrosia and set the bait.

How to Mix Nontoxic Bait

My one cup of ant bait consisted of the following all of which cost less than $1. Believe it or not, this is all that was needed to get rid of ants quickly and easily.

  • 1/3 cup of powdered white sugar
  • 2/3 cup boric acid (where to find)

That’s it!

Note: you may use borax powder for a less strong mixture.

When I took our container of boric acid out of the garage utility cabinet, it consisted of a bunch of hardened chunks that needed to be pounded out as I hadn’t used it in a long time.  So, I took out my mortar and pestle and pounded out a few big chunks to re-powderize and then measured it into a small ziplock bag that contained the appropriate amount of powdered sugar.

Boric acid is a colorless white powder that is a mild antiseptic, but certainly not a problem to the health of your family even if you touch it with ungloved hands. It is found in nature in some volcanic environments near Tuscany and Nevada.  Boric acid and its salts are found in seawater and plants including almost all fruits.

Keep Away from Pets and Children

Of course, you need to keep it away from small children and pets. It is poisonous if ingested or inhaled in large quantities.

However, it is probably the least toxic form of insect bait you can use around your home. The one exception is diatomaceous earth, which unfortunately doesn’t work as well or as quickly for large ants where I live.

Where to Place the Bait

I placed a couple of tablespoons of the carpenter ant bait in the lid of an empty jar I was going to recycle and placed inside the dishwasher on the bottom near the drain just before going to bed.  Before I did this, however, I was careful to run a load of dishes and empty everything out so the dishwasher was completely void of any plates, glasses, or utensils.

A Happy Ending to our Carpenter Ant Infestation

The next morning we were delighted to see that there were no carpenter ants running around the kitchen!  When I opened the dishwasher to have a peek, they were swarming around the bait but were totally confined to that area.

I gently closed the door of the dishwasher and left the ants there, happily eating away at the bait they would take back to their nest to kill the whole colony.

It took a few days, but gradually, the carpenter ants swarming inside the dishwasher completely disappeared with nary a stray one left!

When I needed to run the dishwasher in the interim, I simply removed the container of bait, ran a load, emptied the clean dishes, and then replaced the bait near the dishwasher drain.

Simple, effective, non-toxic, and best of all, cheap with no call to pest control to come and spray who-knows-what hormone-disrupting, carcinogenic chemicals around your home for your family to breath and absorb!

More Information

Nontoxic Pest Control Ideas that Work
Natural Fire Ant Killer that Works FAST
Natural and Effective Bed Bug Removal Techniques
Fast and Effective Fly Repellent
Safe Tick Removal Steps
Attracting and Using Ladybugs for Garden Pest Control
How to Resolve a Flea Infestation Naturally
Quick and Easy Homemade Fly Trap
Spider Repellent Guaranteed to Work
Fast Acting Mosquito Bite Remedy That’s Probably Already in Your Kitchen

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Category: Pest Control
Sarah Pope

Sarah Pope MGA has been a Health and Nutrition Educator since 2002. She is a summa cum laude graduate in Economics from Furman University and holds a Master’s degree from the University of Pennsylvania.

She is the author of three books: Amazon #1 bestseller Get Your Fats Straight, Traditional Remedies for Modern Families, and Living Green in an Artificial World.

Her four eBooks Good Diet…Bad Diet, Real Food Fermentation, Ketonomics, and Ancestrally Inspired Dairy-Free Recipes are available for complimentary download via Healthy Home Plus.

Her mission is dedicated to helping families effectively incorporate the principles of ancestral diets within the modern household. She is a sought after lecturer around the world for conferences, summits, and podcasts.

Sarah was awarded Activist of the Year in 2010 at the International Wise Traditions Conference, subsequently serving on the Board of Directors of the nutrition nonprofit the Weston A. Price Foundation for seven years.

Her work has been covered by numerous independent and major media including USA Today, ABC, and NBC among many others.

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Comments (97)

  1. savya

    Jun 25, 2025 at 5:11 am

    In attic it is very difficult to keep track of the insects and bugs. Best would be to do a frequent cleaning. As far as attic is concerned they are prone to termites also so it is best always to do a pest control service.

    Reply
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