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What you’ll need:
- 1 onion
- 1 teaspoon of baking soda
What to do:
1. Finely chop the onion.
2. Combine it with the baking soda.
3. Place small amounts of the mixture in bowls or directly into problem areas—under the sink, behind appliances, or near plumbing.
Pro tip: For best results, refresh the mixture every two days. Also, consider adding some routine white vinegar cleaning and regular ventilation to discourage pests from returning.
Why This Works
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