What are the different types of diatomaceous earth and how do they differ in their uses and applications?

There are two main types of diatomaceous earth: food grade and industrial grade. Food grade diatomaceous earth is safe for human consumption and is commonly used in food and beverage production, as well as for pest control in homes and gardens. Industrial grade diatomaceous earth is used in a variety of industrial applications, such as filtration, insulation, and abrasives. The main difference between the two types is their purity and intended use.