Pros

  • β€’Effective natural pest control alternative without chemicals
  • β€’Food grade and safe for use around pets and family when used as directed
  • β€’Quickly repels ants at entry points, with visible results within minutes
  • β€’Versatile for indoor, outdoor, garden, and pet areas
  • β€’A little product goes a long way, making it economical and lonasting
  • β€’Highly effective against a wide range of insects including spiders, earwigs, fleas, and ants
  • β€’Safe, chemicaree, and family-friendly, providing peace of mind for holistic pest management
  • β€’Easy to apply, especially with the included sprayer (once received)
  • β€’Good value for the price with a 4 lb. size that offers plenty of material
  • β€’Supported by responsive customer service that resolved initial packaging issues

Cons

  • β€’Can irritate the nose, mouth, and lungs during handling, requiring careful use
  • β€’Reapplication needed after rain or when pests return, which can be inconvenient
  • β€’Initial packaging may lack the powder applicator if not specified, causing some user difficulty
  • β€’Effectiveness depends on proper application and reapplication, especially outdoors
  • β€’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.

Lowest at any Popular Retailer
$7.35 at Amazon
How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 24 retailers to give you the short version.

Where to Buy

Prices last updated: June 21st 2026 10:29 pm
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