Harris Diatomaceous Earth 4 lb.
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
N NaturalK9Supplies.com | $5.89 | Dec 22, 2024, may have changed | Buy Now |
 Amazon Sold by Amazon Warehouse | $7.35 | May 13, 2025, may have changed | Buy Now |
 Chewy.com | $8.37 | May 13, 2025, may have changed | Buy Now |
 Walmart 90-day returns (in store too) | $8.48 | Aug 1, 2024, may have changed | Buy Now |
 The Home Depot 90-day returns (in store too) | $8.56 | Jul 17, 2024, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Pros
- •Effective natural pest control alternative without chemicals
- •Food grade and safe for use around pets and family when used as directed
- •Quickly repels ants at entry points, with visible results within minutes
- •Versatile for indoor, outdoor, garden, and pet areas
- •A little product goes a long way, making it economical and long-lasting
- •Highly effective against a wide range of insects including spiders, earwigs, fleas, and ants
- •Safe, chemical-free, and family-friendly, providing peace of mind for holistic pest management
- •Easy to apply, especially with the included sprayer (once received)
- •Good value for the price with a 4 lb. size that offers plenty of material
- •Supported by responsive customer service that resolved initial packaging issues
Cons
- •Can irritate the nose, mouth, and lungs during handling, requiring careful use
- •Reapplication needed after rain or when pests return, which can be inconvenient
- •Initial packaging may lack the powder applicator if not specified, causing some user difficulty
- •Effectiveness depends on proper application and reapplication, especially outdoors
- •Some users might find the powder messy to work with
Bottom Line
If you’re after a safe, natural, and effective way to handle pests without resorting to chemicals, Harris Diatomaceous Earth Food Grade is a strong option. Just keep in mind that it requires careful handling and reapplication for ongoing pest control, especially in outdoor environments. If you're looking for a more convenient application method or a product with a built-in applicator, you might want to explore other brands or consider <component-button-product identifierProduct="12345-67890..."> for one that includes a complete sprayer setup.
What Reviewers Are Saying
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Discussion
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