Harris Food Grade Diatomaceous Earth, 10.5 lb.
Bag is composed of 10.5 lb. of ground freshwater diatomaceous earth with absolutely no additives or fillers; Diatomaceous earth is made of the fossilized remains of a freshwater algae called diatoms; Chemical free and safe to use around children and pets when used as directed; Listed with the Organic Minerals Research Institute (OMRI)
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