Does Using Bleach Exterminate Ants?

I’ve tried spraying cleaners, but these ants keep coming back to my baseboards; can bleach kill ants for good, or am I just making a mess?

Yes, bleach can kill ants on contact by dissolving their exoskeletons and disrupting their respiratory systems. But it’s rarely a permanent solution for infestations. You may see immediate results when spraying worker ants, but the chemicals only eliminate the ants you see, not the whole colony.

Think of an ant colony like a massive underground city. Spraying bleach is like breaking a single streetlight—it’s an inconvenience, but the city keeps running. Bleach is highly repellent and can often cause "budding," where the colony senses danger and splits into multiple new sub-colonies, which can worsen your problem. 

Equally, bleach releases toxic fumes that can harm humans and pets, is an environmental hazard, and probably won’t reach the queen.

To truly eliminate ants at the source, you need professional baits that worker ants bring back to the heart of the colony. For long-term protection, professional ant control, such as from Gregory Pest Solutions, is always the safest bet.