Diatomaceous Earth, 16oz

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diatomaceous-earth-heritage-store.jpeg

Diatomaceous Earth, 16oz

$12.55

Diatomaceous earth (/ˌdaɪətəˈmeɪʃəs/), diatomite (/daɪˈætəmaɪt/), or kieselgur/kieselguhr is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder. It has a particle size ranging from more than 3 μm to less than 1 mm, but typically 10 to 200 μm. Depending on the granularity, this powder can have an abrasive feel, similar to pumice powder, and has a low density as a result of its high porosity. The typical chemical composition of oven-dried diatomaceous earth is 80–90% silica, with 2–4% alumina (attributed mostly to clay minerals), and 0.5–2% iron oxide.[1]

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