Food Grade Diatomaceous Earth, Which Kind Of Diatomaceous Earth To Take? Difference Between Food Grade or Human Grade And Non-Food Grade Diatomaceous Earth.. Diatomaceous Earth is available in two different grades – Food Grade [Human Grade] and Non-Food Grade [Industrial Grade]. Both grades of diatomaceous earth have their uses and can be beneficial for a variety of uses.
Amazon: Harris Diatomaceous Earth Food Grade, 4lb w, Harris Food Grade Diatomaceous Earth (DE) is composed of 100% ground freshwater DE, with no additives. The product is made of the naturally occuring fossilized remains of diatoms, a type of algae that forms in freshwater.
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