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.
Our DE is mined in north western Nevada, near the California border. The DE deposits came from the western side of the Pleistocene era Lake Lahontan.
WHAT IS DIATOMACEOUS EARTH?
A diatom is a one-celled plant, so tiny that it must be magnified thousands of times to be seen. Diatoms take the minerals out of the water and build a protective shell. As they die, the shells drift to the bottom of the ocean or lake bed and form thick layers of Diatomaceous Earth (DE).
P.F. Harris Manufacturing, Inc. relies on nothing but the best supplier for Diatomaceous Earth. Their mining operations have more than 40 years of experience and is known worldwide for using a grade and quality of Diatomaceous Earth that is extremely pure.
It was important to have a consistent shaped diatom and no unwanted sediment. The shape of the diatom must be tubular with holes on the walls. It must be fresh water because the diatoms form a harder shell and are less fragile that those in salt water. Salt water deposits contain a mix of diatom species. These deposits shapes and sediments are inconsistent, making them unusable for our products.
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