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Harris Food Grade Diatomaceous Earth is a 4 lb bag of 100% freshwater diatomaceous earth, OMRI listed for organic use. It is a fine white powder that works as a mechanical insecticide, killing pests like ants, roaches, and fleas by dehydrating them on contact. It is also used as a feed additive for livestock and pets. Compared to chemical sprays, it is a low-toxicity option, but it must be kept dry to remain effective. Users praise its effectiveness and value, though some find the dust messy and note that it can be slow-acting.
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In stockSold by dripdepot (99.9% positive, 13,026 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $23.44 on Nov 10 at Amazon; highest $29.99 on Nov 9. Tracked across 2 stores since Nov 9.
Reviewers generally find Harris Food Grade Diatomaceous Earth effective for controlling ants, fleas, and other pests, and appreciate its food-grade safety. Many mention that it works well when applied correctly and kept dry, though some complain about the dust and the need for repeated applications.
PF Harris Ground Fresh 100% Diatomaceous Earth is OMRI listed with the Organic Minerals Research Institute and meets organic use standards. Harris Food Grade Diatomaceous Earth (DE) is composed of 100% ground freshwater DE, with no additives. The product is made of the naturally occurring fossilized remains of diatoms, a type of algae that forms in freshwater. These remains are ground up into a soft, fine white powder that carry many different uses. It’s chemical free and completely safe to use around children and pets, when used as directed.
