Diatomaceous earth Singapore has been naturally occurring sand extracted from the earth. It would comprise of microscopic skeletons of algae, also called diatoms. It would have fossilized with a significant length of time. It would be pertinent to mention here that two major kinds of diatomaceous earth, food grade and filter grade would offer several industrial uses.
The food grade earth would be suitable for consumption. On the other hand, the filter grade earth would be inedible. It would not be wrong to suggest that diatoms in diatomaceous earth have been largely made up of a chemical compound known as silica.