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Block their entry point. Store food in airtight containers. Clean your kitchen Create a “moat” around pet food bowls. Put coffee grounds, cinnamon, or baby powder near doors or windows. Squish the scouts to keep other ants out.
If ants are in your home, they’re getting in somewhere. Since they’re so small, even a tiny crack can let them in. Inspect your home for cracks and crevices, making repairs where necessary.   Apply a layer of caulk around windows.  Fix torn window screens. Use plaster to repair holes in walls.  Replace damaged door sweeps. This keeps the ants out of your food and deters ants from entering your kitchen. Without a food source, there’s no reason for them to come! You can get airtight containers at your local department store, homegoods store, or online. after each meal. Ants usually only enter your home if there’s a food source there. Unfortunately, even a small amount of food can draw ants. You need to keep all traces of food cleaned up to keep the ants away.  Don’t allow dirty dishes to sit in the sink. Wash them daily or after every meal, for best results. Spray down and wipe counters using soapy water, an all-purpose cleaner, or a solution of 1 part apple cider vinegar and 1 part water. Sweep and mop the kitchen daily to remove crumbs that could attract ants. If your family eats in other areas of your home, you should sweep or vacuum those areas daily. Place your food bowls in a slightly larger container. Then, add water to the larger bowl so that the food bowl is surrounded by water. This creates a “moat” that is hard for ants to cross. Refill the larger bowl regularly to maintain the moat. You don’t need to refill the bowl until the water appears low. The scents of these substances repel ants. Additionally, coffee grounds are acidic and can burn the ants if they attempt to cross it. You can also use cinnamon or peppermint essential oil. Simply mix a few drops of the oil into a spray bottle full of water, then spray it around doors and windows. Colonies regularly send out lone ants to check for food sources. If you see an individual ant strolling across your coffee table, don't let it make it back to the nest alive! It will provide a trail for the rest of the colony, who will soon make the journey into your home. Killing this single ant can save you a lot of headaches down the road by preventing an infestation.