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Natural Ways to Get Rid of Silverfish
If you prefer non-chemical solutions, several natural methods can help.
1. Diatomaceous Earth
Food-grade diatomaceous earth damages silverfish exoskeletons, causing dehydration.
How to use:
- Lightly dust along baseboards and cracks
- Apply behind appliances
- Keep dry for effectiveness
Avoid inhaling the powder.
2. Cedar
Silverfish dislike cedar’s scent.
Use:
- Cedar blocks or chips in closets
- Cedar-lined storage boxes
This works well for preventing damage to clothing and books.
3. Essential Oils (With Caution)
Certain scents may repel silverfish.
Commonly used oils:
- Lavender
- Citrus
- Peppermint
Mix with water and spray lightly in problem areas. Avoid overuse and test surfaces first.
4. Homemade Traps
Simple traps can help reduce numbers.
Jar trap method:
- Wrap a glass jar with tape
- Place a starchy bait inside
- Silverfish climb in but can’t climb out
This method helps monitor activity.
Chemical Treatments: When to Use Them
If silverfish persist, chemical options may be necessary.
Options include:
- Insecticidal sprays
- Boric acid (used carefully)
- Residual insecticides for cracks and crevices
Always:
- Follow label instructions
- Keep away from children and pets
- Apply only to targeted areas
Avoid overuse—more is not better.
When to Call a Professional
Consider professional pest control if:
- Infestation is widespread
- DIY methods fail
- Damage is increasing
- Silverfish return repeatedly
Professionals can identify moisture sources and apply long-term solutions.
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