How long does borax take to kill ants?

A: If you're wondering how to kill ants with borax, a simple solution is liquid baits. As ants forage for food, they are drawn to the sweet liquid in TERRO ® Liquid Ant Baits. They consume the bait and return to the colony to share with the other ants. read more

So 1 part borax and three parts syrup or sugar or honey; it doesn’t matter what measurement you use as long as it’s consistent, like 1 teaspoon borax and 3 teaspoons syrup, or 1 cup borax and 3 cups syrup. read more

The ants consume large quantities of the bait and then return to the nest and share it with the rest of the colony. This process can take from just a couple days to several weeks, depending on the size of the colony. Each ant that consumes the bait will die within 24 - 48 hours. read more