This is one of the best reference websites I have encountered in a long time, it focuses on Human and animal health, both pets and farm animals. We have used DE for our families health and for our pets health too, and below is great information regarding this obscure and fairly unknown fossil.What Is Diatomaceous Earth (DE)?Diatomaceous earth (DE) is the remains of microscopic one-celled plants (phytoplankton) called diatoms that lived in the oceans and lakes that once covered the western par...