Diatomaceous Earth. a filter media that is used in D.E. Filters, in order to produce highly effective filtration. D.E. can be used as a filter aid with sand or cartridge filters, in order to better deal with certain pool or spa cloudy water problems or conditions.

"Diatomaceous Earth" is formed from skeletons of microscopic water plants called diatoms. Each skeleton is an extremely porous framework of almost all silica.

Diatomaceous Earth: - A white powder added to an “earth” filter to clean the pool water of small organisms, dirt, etc...

Diatomaceous Earth. A fine, powdery substance that comes from the calcified remains of prehistoric single-celled marine animals. This very porous substance is a great filtration media.

Diatomaceous earth. A powder used to filter beer.

Abbreviation for diatomaceous earth. Fossil-like skeletons of microscopic water plants called diatoms.