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It's not good to have a lot of ants in the kitchen. It is recommended to use some professional anticide drugs to exterminate. There is no harm in eating ants, but it is disgusting to think about.
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The safest, most cost-effective way to do this is to use vinegar.
Here's how: 1) Vinegar water, diluted.
2) Put it in a spray bottle (if you don't have a spray bottle, use an empty bottle with a nozzle in your kitchen or glass cleaning solution).
3) Spray ants and ant dens.
It won't take long, and you won't have to wait a day or two, for the ants to move quickly. I tried it last year and it really worked. As soon as you spray, you can see the live situation of the ant soldiers moving, I hope the above experience will be helpful to you.
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Placing a few eggshells in the kitchen corner may work well.
I saw the introduction in the program "At Your Service" on Central Channel 2, where the egg skin is baked into a slight paste, crushed into powder, and mixed with sugar. Where there are seams, you can seal them with toothpaste or wax. Give it a try.
The safest, most cost-effective way to do this is to use vinegar. >>>More
Buy ant killers, this is the quickest and most effective way.
It can be done by placing drugs and booby-trapping with food. >>>More
Use insecticides to clean up in all directions, use mothballs to block the wormholes, and use boiling water or large doses of insecticides for large quantities.