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Food Grade Diatomaceous Earth Powder 8 Oz. Food Grade Diatomaceous Earth Powder is safe and nontoxic. Diatomaceous Earth (DE) destroys intestinal parasites physically by injuring them. The shell particles of the DE are sharp enough to cut the parasites but are not harmful to humans and animals. DE is a natural and safe way to kill parasites without chemicals…. |
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Transactions of the Norfolk & Norwich Naturalists’ Society; Articles on freshwater bivalve Mollusca of Norfolk, Norfolk Centric Diatoms, Water Mites, hedge and boundary survey and more … |