So 1 part borax and three parts syrup or sugar or honey; The honey will help make the mixture stick to any ants the spray hits, and they’ll eat it when they groom. How To Get Rid Of Ants With Borax Practically Functional Soak cotton balls in the solution and place them near the ant swarm. Borax recipe for ant hills . Let the ant mounds dry, and the ants will die from dehydration and because they will have a. Then mix in your borax or boric acid (i used 1/4 c). This means, you should use borax outside for killing ants. This trap is the best way to control pests in your garden. You can mix borax powder with confectioner’s sugar, and then sprinkle it around your lawn, yard, near ant mounds, ant trails, etc. Mix all three ingredients together until the sugar and borax are dissolved and a. Whatever you have to do is mix a cup every one of sugar and honey. In this case, powdered borax contains a mixture of borax and. The finished product is quite runny, so you’ll need a...