Instructables

Step 4: Anti Ant Hack

Picture of Anti Ant Hack
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If you've got ants and you're looking for a natural form of pest control, try measuring out a cup of popcorn kernels.  Put them in a blender, on high speed for about 30 seconds, and you'll end up with a batch of fresh, homemade cornmeal.  Just make a few piles around the ant trails and within a few days, your ant problems will, literally disappear.
 
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I've been treating a huge ant colony by my garage with plain yellow corn meal over the past few days. The piles keep disappearing and the trails of ants are getting smaller. Seems to be working.

Borax and karo syrup is another killer, it is sold commercially as Terro. It is very effective as well, but gets pricy compared with the cornmeal.
tandykins1 year ago
For added effect (though anyone trying this please be mindful of pets and children), mix a little borax in with the cornmeal. It will kill them far, far faster. I managed to wipe out a colony in less than a week that had been plaguing me for months.
Dianamite1 year ago
Can I just use the bag of cornmeal that is sitting in my cupboard?
Starrystar1 year ago
Popcorn kernels in a blender? Does that damage the blender at all?
jeroenbb1 year ago
I like ants, but if you want to get rid of them, this natural method really seems like the way to go.
bclamore1 year ago
Hmm. Why is this? Does cornmeal discourage or kill them?