Why Spiders Keep Appearing Indoors
Spiders enter homes in search of warmth, shelter, and prey. If you have spiders, you likely have the insects they feed on — flies, mosquitoes, ants, or moths. Reducing spider populations long-term means addressing the insect prey they're hunting, not just killing the spiders you see.
What Doesn't Work
- Spraying spiders directly — kills individual spiders but does nothing to prevent new ones entering
- Conker myths — no scientific evidence that horse chestnuts repel spiders
- Ultrasonic repellers — studies show no consistent effect on spiders
What Actually Works
1. Reduce Their Food Source
Control the insects spiders prey on. Use Sulguy UV Mosquito Trap to reduce flies and mosquitoes indoors. Place Sulguy Insect Glue Traps to catch crawling insects that attract spiders.
2. Apply Peppermint Spray
Spiders are highly sensitive to strong scents. Sulguy Peppermint Spray applied along baseboards, windowsills, and door frames creates an effective deterrent barrier. Reapply every 1–2 weeks. This is one of the few natural methods with documented spider-repellent effects.
3. Seal Entry Points
Spiders enter through gaps around windows, doors, pipes, and foundations. Caulk all visible gaps. Install door sweeps. Check window screens for holes. Read The Hidden Places Pests Breed in Your Home for a complete sealing checklist.
4. Apply Diatomaceous Earth in Problem Areas
Dust Sulguy Diatomaceous Earth Powder in corners, along baseboards, and in any undisturbed areas where spiders build webs. It kills spiders and crawling insects that walk through it.
5. Remove Web-Building Habitats
Regularly vacuum corners, ceiling edges, and behind furniture where spiders build webs. Remove clutter from storage areas — boxes, bags, and piles of fabric are ideal spider habitats.
For a complete non-toxic pest control strategy, read How to Keep Bugs Out Without Chemicals.
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