Natural ant killer

Diatomaceous earth: Diatomaceous earth is a powder made from the fossilized remains of diatoms, which are microscopic algae. It is a natural insecticide that can kill ants by drying them out. To use diatomaceous earth, simply sprinkle it in areas where you have seen ants.
Vinegar: Vinegar is another natural substance that can kill ants. It works by dissolving their exoskeletons. To use vinegar, mix it with equal parts water and spray it on ants. You can also pour vinegar into ant mounds or nests.
Lemon juice: Lemon juice is another acidic substance that can kill ants. It works in the same way as vinegar. To use lemon juice, mix it with equal parts water and spray it on ants.
Salt: Salt is a natural dehydrator that can kill ants. To use salt, simply sprinkle it in areas where you have seen ants. You can also mix salt with water and create a barrier around your home to prevent ants from entering.
Boiling water: Boiling water is a quick and effective way to kill ants. To use boiling water, simply pour it on ants or ant mounds.