Collection: Spider Killer Powders
Get long-lasting protection against spiders with our range of Spider Killer Powders. Ideal for use in cracks, corners, and undisturbed areas, these powders work by physically dehydrating spiders, offering a non-toxic and effective alternative to sprays. Perfect for basements, lofts, and around doorways, our powders provide discreet, chemical-free control. Safe to use around the home when applied as directed, they’re an essential part of any natural spider defence plan.
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Diatomaceous Earth (Food Grade) - Killer Powder for Insects, Snails & Slugs 500g
No reviewsRegular price £12.99Regular priceUnit price / per
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✅ DIY Pest Control
Effective, Fast, Easy-to-Use
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🚚 Fast UK Shipping
Free UK Shipping Over £50
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↩️ 30 Day Returns
Return Any Item For 30 Days
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5.0/5.0 ⭐⭐⭐⭐⭐
Average Customer Reviews
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Diatomaceous Earth (Food Grade) - Killer Powder for Insects, Snails & Slugs 500g
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FAQs: Spider Killer Powders
How do spider powders work?
They work by damaging the spider’s outer shell, leading to dehydration. It’s a physical, non-chemical method of pest control.
Where should I apply the powder?
Apply in corners, behind furniture, near entry points, basements, and lofts—anywhere spiders may hide or enter.
Is this safe to use around pets and children?
Yes, non-toxic options like diatomaceous earth are safe when used as directed. Keep the powder dry and avoid inhalation.
How often should I reapply?
Reapply every few weeks, after cleaning, or if spider activity returns. Consistent use ensures ongoing protection.
Let customers speak for us
from 7 reviewsI’ve had a persistent mouse problem since moving house last year. I tried a few different solutions, including an electric trap, but they didn’t work. These baited with a bit of peanut butter work cleanly. Worth spending the money on something that does the job it’s supposed to do.

Excellent quality , just what I wanted

Nice and sturdy and well-built! Haven't used yet.

Really happy that it's easy to use and discreet.

I have kids and a dog so happy with how easy it is to use.

Great service - fast delivery, good product!
