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Does Pouring Boiling Water on Ants Work?

Published in Ant Control Methods 2 mins read

Yes, pouring boiling water can be an effective method for reducing ant populations, particularly when targeting an entire ant mound. However, it is not a guaranteed solution for complete eradication.

When approximately three gallons of extremely hot water are poured over a single fire ant mound, it has about a 60 percent chance of eliminating the mound. This method aims to kill the ants on contact and potentially reach the queen and other ants deeper within the colony's tunnels.

Effectiveness Compared to Other Methods

While boiling water offers a degree of success, other similar home remedies can sometimes offer slightly better results.

Method Effectiveness (Approx.) Quantity (for a mound)
Boiling Water 60% 3 gallons
Hot Soapy Water 60-70% 3 gallons

Using a similar amount of hot soapy water, for instance, has been found to be slightly more effective, demonstrating a 60 to 70 percent success rate in eliminating ant mounds. The addition of soap can break down the ants' protective exoskeleton, making the hot water even more lethal.

Key Considerations

  • Not 100% Effective: It's important to understand that a 60% effectiveness rate means that nearly half of the treated mounds may not be completely eliminated. Surviving ants could relocate or rebuild the colony.
  • Targeting the Colony: For any method to be truly successful, it must reach and eliminate the queen and a significant portion of the worker ants and brood. Boiling water can be effective if it penetrates deep enough into the mound structure.
  • Amount Matters: The effectiveness is often tied to the volume of hot water used. Pouring a substantial amount, like three gallons, is critical for increasing the chances of success against a mound.

While pouring boiling water can provide a temporary solution or reduce the size of an ant population, especially for a visible mound, its inconsistent effectiveness means it might not offer a permanent resolution for larger or deeply established colonies.