Is Borax an Ant Killer?

Ants are both a friend and foe in your home. Ant colonies can kill and eradicate your home from termites but are a nuisance to have in your kitchen. You can kill ants with a homemade remedy of Borax and sugar.

Borax Definition

Borax is a natural substance that is environmentally safe. It is used in cleaners, makeup, insulation products and pesticides.


Ants are attracted to sugars and proteins. In order to kill ants, you will need to lure them to the solution that will kill them.

Borax and Sugar

Mix Borax with sugar (or honey) to attract and kill ants. You should you a 3:1 solution of Borax to sugar.

Killing the Colony

Ants take food back to feed the colony. You will kill ants that ingest the food along the way and poison the colony with the food brought back.


While Borax is environmentally safe and used in many household products including being used as a salt replacement, it should not be consumed in large quantities. Should you be concerned about Borax ingestion, consult your doctor or poison control center.

Kimberlee Leonard

Kimberlee Leonard

With more than 15 years of professional writing experience, Kimberlee finds it fun to take technical mumbo-jumbo and make it fun! Her first career was in financial services and insurance.