Made with Natural Ingredients 100% Food Grade Diatomaceous Earth Our Food-Grade Diatomaceous Earth is mined from a naturally occurring mineral deposit Diatomaceous Earth - derived from amorphous silica plus Calcium Montmorillonite (Calcium Bentonite) - derived from pre-historic weathered volcanic ash Fresh Coop Dust Bath is made with 100% Food Grade Diatomaceous Earth. Fresh Coop Dust Bath is formulated with the perfect spectrum of particle sizes to provide the grittiness birds prefer against their skin. Keep feathers in Tip-Top Shape Dust bathing is the most natural way for y chickens to reduce oils and parasites as well as keep their feathers clean. Providing a proper dust bathing area that incorporates Fresh Coop Dust Bath (100% Food Grade Diatomaceous Earth) will help to keep feathers in tip-top shape. Coop Care Essentials If a dust bath area has not been provided, your chickens may search out a suitable area for themselves. Old tires, kitty litter pans, sand boxes, shallow bins, kiddie pools, and wooden crates work well for creating a dust bath area. It is best to keep the dust bath area under a covered area away from rain and snow. Free Range Your f chickens will naturally scratch out a depression in the dirt. Or you can create an area suitable for dust bathing. Fill 3-4" deep with a mixture of any of the following: loamy dirt or sand & Fresh Coop Dust Bath (50/50) peat moss & Fresh Coop Dust Bath (50/50) Fresh Coop Dust Bath (100)