- 1). Fill a 5-gallon bucket with 1 gallon of warm water. Add 2 gallons of white sugar and 2 cups of boric acid.
- 2). Stir up the mixture well with a long-handled spoon.
- 3). Use an eyedropper to place drops of the solution into paths where you've seen ant activity. If you see ants eating the mixture, don't wipe them up or clean up the liquid. The idea is for the ants to take the boric acid solution back to their nest and essentially kill the source -- the queen.
- 4). Wait three days, then wipe up the solution with a rag and warm, soapy water. Reapply the boric acid mixture as necessary.
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