Diatomaceous earth, referred to simply as DE, is a natural sedimentary rock composed of fossilized remains of microscopic algae called diatoms. It has a powdery texture and is rich in silica.
Hydrogen peroxide (H 2 O 2) is a clear, colorless, odorless liquid. It’s a combination of hydrogen and oxygen and is available in many strengths (indicated by the percentage of dilution with water).