Diatomaceous earth, aka DE, is a completely natural product derived from fossilized diatoms, which are hard-shelled algae from bodies of water. You’ll usually buy it in the form of a light-colored powder, and it’s not expensive. It does meet one of our biggest needs as preppers – it’s multi-purpose.
However, you should learn how to use it right. We’ll help you solve this problem starting from the questions one of our readers asked.