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Boric acid is a common ingredient in homemade recipes for killing ants. This page is about using boric acid for controlling ants in garden and kitchen.
If you find that you are being invaded by those small ants, or even the larger ones, don't run to the store for ant killer, just run to your laundry room and get the commercial spray that you use for removing stains. Just spray it on them and on their trail and you will be rid of them in no time and it is not toxic to your kids and pets. The stain removal product contains borax and that is what kills the ants.
Donna from Oregon
For ants inside your house use vinegar. This will clean the trail and also kill the ants you spray. Will not hurt kids or pets. Borax is poisonous to pets and kids.
Kill ants for good with uncooked grits! Just sprinkle the grits around where you have the ants and they eat them and die. Ants lack the ability to expel gas caused by the grits. This is the safest way to kill ants - no pesticides, safe for environment, pets, and kids.
By liknmylife from Shelbyville, KY
I have used corn-meal. I had the red ants getting into my house so after I sprinkled it around the side of my house and the bank where they lived I have had none in the last four years.
This is a guide about making a borax and honey ant trap. Sugar ants find their way to where sweet stuff can be found. A homemade trap can be an effective way to get rid of them.
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I am looking for a recipe for an indoor ant killer.
Equal parts sugar and 20 Mule Team Borax in a bottle cap with enough water to mix to a running paste has them lining up. Put it in the ant run--they like edges and shadows. This also seems to work on other creepy-crawlies. I tried it and all problems just disappeared from a 50 year old farm house. It does take a couple of days though.
Dry corn meal sprinkled where you see them. They were coming up through the edge of the carpet and tile and I lefted the corner of the carpet enough to see them coming through a tiny hole. I put a small amount ( less than 1/2 teaspoon) of corn meal on the tile and brushed it into the hole and carpet. It only took that one time and they have not come back in months now. I don't know why it works but it did for me. GG Vi
I read the hint about sweet and low on Thrifty Fun a month or two ago as I have a problem every spring with ants coming into my kitchen. I sprinkled two packages of sweet and low in the in front and in sill of the window they were coming in and have not seen any ants since.
I mix equal parts vinegar and water and put in a spray bottle (be sure to label it!!) Ants will not come anywhere near where it has been sprayed. And it is safe around pets, kids, and environment.
How can I make ant killer spray using household products?
By Chad from Sacramento CA
I tried nearly every product on the market to get rid of ants that made hills in cracks on my garage floor. The ants actually caused my garage floor to heave because they burrowed deep into the cracks and made hills. Finally, I discovered that cinnamon was a miracle. I sprinkled it heavily on the hills. Ants were gone completely in about 3 weeks, but definitely saw a difference in one week. I repeated every 2 months during summer. Then only needed it twice a year for the next year and now I use it once a year as a preventive. Plus the garage smells great! This is the best thing ever. Worked on red ants and black ants that I know of. Make sure you know where they are coming from and sprinkle there.
Cornmeal sprinkled on the mounds works great. They carry it back to the mound, eat it, it swells in their stomachs and they die. Just another option that really works.
Artificial sweeteners are fantastic ant killers- in fact, that's what the original intent was, when they were discovered (completely by accident- yeah, I'm serious, look it up!) to be sweet in flavor. Pour a few packets of the generic version of the stuff in the areas that the ants are frequenting, and watch 'em disappear. I've had great luck with both the kind that comes in the pink, and the blue, packets (aspartame and saccharine). It's cheap, it works, and it won't kill your pets or your kids. At least, unless they eat a whole box of the stuff. Good luck! :o)
When we lived in Texas, I discovered that soapy water was the most effective tool against fire ant mounds. I used one gallon (recycled milk jug) of hot water and added about a teaspoon of dish liquid. Pour over the mound and it will be gone within 24 hours!
For indoors, I just wipe up lines of ants with a soapy dish cloth, then find the source and - you guessed it - give them all a soapy bath!
What does boric acid syrup and water mixed together do to the ants when consumed and taken back to colony? Thanks.
By Randy D.
It kills them. Boric acid attacks the central nervous system.
Apparently you have never been exposed to fire ants!!! They are not beneficial!
Which is best? Killing the ants or them killing you? There are people DEATHLY ALLERGIC to any kind of insect sting. And ants and bees/wasps are the worst of them all.
When the ants get into bed with you and start biting either I leave home or the ants have to go!
ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.
I want to find a recipe for killing ants.
Hi Susan! Try sprinkling baby powder outside of your house where they are coming in at. The ants won't cross it! (06/15/2005)
I have had a terrible time getting rid of ants. Someone advised me to try Terro Liquid ant baits. The stuff is available at most stores like Lowe's and Walmart. I found it at our local Super Walmart. You can also buy the liquid in a small bottle. It comes with little pieces of cardboard and you pour the liquid on the cardboard, and place it in locations where the ants seem most prolific.
The solution is made from Boric Acid (borax), water and sugar. I prefer the liquid baits because they are considerably less messy. This stuff is really sticky, but it has been extremely helpful. We had an exterminator come by to spray for the ants, and my husband told him what we were using and he said that they used the same stuff. (06/17/2005)
Mix powdered borax, detergent, and sugar. They will carry this back to the nest, and when they eat it it will kill them. It's not good for children and pets but it's better than poisons. Another tip which will take a few days, is to pour boiling water on them. (04/12/2007)
A couple of drops of dawn mixed with water in a spray bottle stops them dead in their tracks. (07/13/2009)
Try blending orange peels and water. Pour the 'smoothie' down the ant hole. (06/30/2006)
If the ants are in your house, spread mothballs around the foundation. I do this every spring and seldom have a problem, and if I do, it goes away real quick. (06/30/2006)
I just got one myself so we can try it together. You use 4 oz. of each; peanut butter, sugar, and boric acid. Blend well and place it in the ants path to where they are gathering. The person said it takes a couple of times, but that it works great. (07/01/2006)
Buy some 20 Mule Team Borax (not Borateem) on the laundry shelve of your local grocery. Sprinkle it along their path and around your house close to the foundation. Use the rest in your laundry! (07/09/2006)
Mix equal parts powdered sugar and Borax and spread around baseboards, or wherever the ants are traveling. Works every time. (07/10/2006)
I tried nearly every product on the market to get rid of ants that made hills in cracks on my garage floor. The ants actually caused my garage floor to heave because they burrowed deep into the cracks and made hills. Finally, I discovered that cinnamon was a miracle. I sprinkled it heavily on the hills. Ants were gone completely in about 3 weeks, but definitely saw a difference in one week. I repeated every 2 months during summer. Then only needed it twice a year for the next year and now I use it once a year as a preventive. Plus the garage smells great! This is the best thing ever. Worked on red ants and black ants, that I know of. Make sure you know where they are coming from and sprinkle there. (04/25/2008)
Mix baking soda and powdered sugar. 1/2 and 1/2. Sprinkle on ant beds. The ants eat the baking soda thinking it is the powered sugar and the acid in their stomach reacts with the baking soda causing them to swell and die.