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Health & Pest Controlby Harris
Harris Diatomaceous Earth Food Grade with Powder Duster
Harris Food Grade Diatomaceous Earth is a staple for homesteaders looking for a natural, chemical-free way to manage mites, lice, and other pests around the coop and run.
- Natural mite & lice control
- Safe for chickens & eggs
- Easy duster application
- Net Weight
- 4 lbs (1.8 kg)
- Type
- 100% Food Grade Diatomaceous Earth
- Application Method
- Included powder duster bottle
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The verdict
Harris Food Grade Diatomaceous Earth is a staple for homesteaders looking for a natural, chemical-free way to manage mites, lice, and other pests around the coop and run.
The included duster makes application simple, and its food-grade safety rating means it can be used directly on birds and in nesting areas without worry. While it requires reapplication and careful handling to avoid dust inhalation, it remains one of the most trusted and cost-effective pest control tools in backyard chicken keeping.
Specifications
| Brand | Harris |
|---|---|
| Category | Health & Pest Control |
| Net Weight | 4 lbs (1.8 kg) |
| Type | 100% Food Grade Diatomaceous Earth |
| Application Method | Included powder duster bottle |
| Certification | OMRI Listed for Organic Use |
| Shelf Life | Indefinite if kept dry |
Key features
- 100% food grade diatomaceous earth, OMRI listed for organic use
- Includes patented powder duster applicator for easy, even application
- Effective against mites, lice, fleas, ants and crawling insects in coops
- Safe to dust directly on chickens, nesting boxes, and bedding
- Can be mixed into dust bath areas for natural parasite prevention
- Resealable bag keeps powder dry and ready to use
Pros & cons
What we like
- Non-toxic and safe around chickens, eggs, and other livestock
- Duster applicator makes coop and run treatment quick and mess-free
- Works well mixed into dust bathing areas for ongoing mite/lice control
- Multi-purpose use for garden pests and household crawling insects too
- Long shelf life when stored in a dry place
- Affordable compared to chemical pest treatments
Watch out for
- Fine powder can be messy and irritating to breathe without a mask
- Loses effectiveness quickly when wet or in humid coop conditions
- Requires reapplication every few weeks for continued pest control
- Not effective against internal parasites or flying insects like gnats
Full review
Harris Diatomaceous Earth Food Grade has become a staple for backyard chicken keepers and homesteaders who want a natural, non-toxic way to manage pests around the coop and property. Made from fossilized remains of diatoms, this fine white powder works mechanically rather than chemically, dehydrating insects like mites, lice, fleas, and ants on contact. Because it carries the food grade designation, flock owners can confidently dust nesting boxes, roosts, and dust bathing areas without worrying about harmful residues affecting their birds or the eggs they produce. Harris includes a convenient powder duster applicator with each bag, making it simple to apply the fine dust precisely where pests tend to hide, from coop corners to dirt bath spots chickens naturally seek out.

Beyond coop maintenance, this diatomaceous earth proves useful across the broader homestead for pest control in gardens, barns, and storage areas where grain and feed are kept. Sprinkling it along baseboards or around the perimeter of coops helps create a barrier against crawling insects, while mixing a small amount into chicken feed is a practice many homesteaders use to support digestive health and discourage internal parasites, though it should never replace proper deworming protocols. The powder remains effective as long as it stays dry, so reapplication after rain or heavy moisture is necessary to maintain its pest-deterring properties. Its versatility extends to other livestock areas too, including rabbit hutches, duck houses, and barns housing goats or sheep, giving homesteaders a multi-purpose tool rather than a single-use product.

What sets Harris apart in the crowded diatomaceous earth market is its commitment to purity and safety, with the product tested to ensure it meets food grade standards suitable for use around animals and in agricultural settings. The bag itself typically includes clear instructions for application rates and methods, catering to both seasoned homesteaders and newcomers just beginning to manage a backyard flock. Many chicken keepers appreciate that incorporating this diatomaceous earth into their regular coop cleaning routine reduces reliance on synthetic pesticides, aligning with the self-sufficient, natural approach many homesteading families strive to maintain. Stored properly in a cool, dry place, a single bag can last through multiple seasons of consistent use, making it a cost-effective addition to any pest management routine on a working homestead.



