Things You'll Need
Bowls for mixing
Sprinkle borax and flour around your home to kill ants that have taken up residence.
Keep borax away from the garden and lawn as it will kill grass and flowers. Use caution if using borax in the home to avoid placing it where children and pets may reach it.
Ants are common around homes and yards. While most do not bite, they can still create issues in the home or under pavement, such as a garden walkway. Ants are scavengers and will not cause damage to a healthy lawn, though numerous ant hills may look unattractive on garden walkways or driveways. Solve this problem by using assorted home remedies to eliminate ants from underneath pavement.
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Slowly pour boiling water on any visible ant hills. While you may need to do this more than once, it should eventually kill the colony.
Make a mixture of borax with sand for use in the pavement joints. Sand is often used as the base when laying pavement slabs. Ants use it to build their colonies.
Sprinkle a mixture of borax and sand in the pavement cracks and joints. Sweep the mixture into the joints with a stiff broom in a back and forth motion to ensure the mixture gets down into the pavement cracks.
Use the pennyroyal herb to make a tea for repelling ants. Allow the tea to cool and pour it into a spray bottle. Spray affected areas with the tea. Spearmint, southernwood and tansy may also be used.
Make a mixture of 1 part borax and 1 part sugar to place around affected areas. Ants love sugar and will take the mixture containing borax back to their nests. The borax will poison the queen.