
Baking soda is a versatile and eco-friendly solution to combat pests like cockroaches, fleas, ants, moths, mice/rats, and spiders. It’s safe, non-toxic, and easy to use around the home. Here’s how you can effectively use baking soda to deal with each type of pest:
1. Cockroaches
Why It Works: Baking soda reacts with the acids in a cockroach’s stomach, killing them effectively.
How to Use:
- Mix equal parts baking soda and sugar in a shallow dish or sprinkle the mixture in areas where cockroaches are active.
- The sugar attracts them, and the baking soda does the rest.
- Place the bait near cracks, under sinks, or behind appliances.
2. Fleas
Why It Works: Baking soda dehydrates fleas and their eggs.
How to Use:
- Sprinkle baking soda liberally on carpets, pet bedding, and upholstery.
- Use a stiff brush to work it into the fibers, then leave it for several hours or overnight.
- Vacuum thoroughly to remove fleas, eggs, and baking soda residue.
- Repeat weekly for effective flea control.
3. Ants
Why It Works: Baking soda interferes with ants’ digestive systems when ingested.
How to Use:
- Mix equal parts baking soda and powdered sugar.
- Sprinkle the mixture along ant trails, near entry points, and around the kitchen.
- The sugar lures ants, while the baking soda disrupts their metabolism.
4. Moths
Why It Works: Baking soda absorbs moisture and odors that attract moths.
How to Use:
- Place sachets filled with baking soda and a few drops of essential oil (like lavender) in closets, drawers, or storage boxes.
- For extra protection, sprinkle baking soda on carpets and vacuum after a few hours to deter moth larvae.
5. Mice and Rats
Why It Works: Baking soda produces gas that rodents cannot expel, which eventually kills them.
How to Use:
- Combine baking soda with peanut butter or flour to make a bait.
- Place small portions in areas where you’ve noticed rodent activity, such as along walls or in hidden corners.
6. Spiders
Why It Works: Baking soda acts as a natural deterrent for spiders.
How to Use:
- Sprinkle baking soda around the perimeter of rooms, under furniture, or in dark corners where spiders hide.
- Alternatively, mix baking soda with a few drops of peppermint essential oil for enhanced spider repellence.
Additional Tips:
- Always reapply baking soda after cleaning or vacuuming to maintain its effectiveness.
- Combine baking soda with natural deterrents like vinegar, essential oils, or diatomaceous earth for stronger pest control.
- Monitor pest activity to determine if repeated treatments are necessary.
By using baking soda, you can keep your home pest-free without resorting to harmful chemicals. It’s a simple, cost-effective, and natural solution!

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