Australian Diatomaceous Earth 

Diatomaceous Earth also known as DE is a soft siliceous sedimentary rock  that is mainly compose of 100% natural organic free fossilised algae known as diatoms or microscopic algae living near bodies of water. DE is a mineral which contains silica and other trace minerals such as calcium, manganese, and copper. 

Australian Diatomaceous Earth has a broad range of applications:
Free Range Poultry Farm
Green Field
Herb Plants