What kills ants permanently?
White vinegar If you see ants, wipe them up with a solution of 50-50 vinegar and water, or straight vinegar. White vinegar kills ants and also repels them. If you have an ant problem, try using diluted vinegar to clean hard surfaces, including floors and countertops, throughout your home.
Why do I have a lot of ants in my yard?
Proximity to food and water as well as the ability to reproduce, are the quintessential things ants are looking for when scoping areas to build a nest. If your home has what they need, soon your yard will be letting you know in the form of anthills. Left unchecked, these anthills can become impressively large.