What gets rid of ants permanently requires eliminating the entire colony including the queen, not just killing visible foragers, using integrated pest management that combines sanitation, exclusion, moisture control, and targeted baits for long-term prevention, because ants return indefinitely if conditions remain favorable. The most permanent solution is to use slow-acting gel baits containing non-repellent insecticides such as fipronil, hydramethylnon, or borax such as Terro Liquid Ant Bait, Maxforce, or Optigard, placed near ant trails but not on top of repellent sprays, allowing worker ants to eat bait and carry it back through food sharing called trophallaxis to feed queen and larvae, killing entire colony within days to two weeks. This is more permanent than repellent sprays that kill on contact but cause budding where colonies split into satellite colonies. Permanent control also requires thorough sanitation to remove food sources by storing all food in sealed glass or metal containers, cleaning crumbs, grease, and spills daily from countertops, floors, and under appliances, wiping surfaces with vinegar and water to erase pheromone trails, and taking out trash regularly. Exclusion by sealing entry points with caulk around windows and doors, installing door sweeps, and sealing gaps where pipes enter walls prevents re-entry because ants enter through cracks as small as 1/16 inch. Moisture control by fixing leaks and drying damp areas eliminates carpenter ant nesting sites. For outdoor colonies, treat mounds directly with bait. Professional quarterly pest control averaging $100 to $150 per quarter provides ongoing protection with guarantees.
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