A SAFE and NATURAL way to promote a healthy preening routine. Helps maintain a happy and healthy backyard flock and keeps feathers in top condition. FRESH COOP DUST BATH is composed of Food Chemical Codex Grade (Food Grade) Diatomaceous Earth and Calcium Montmorillonite. Fresh Coop Dust Bath for Backyard Chickens This unique natural blend of Diatomaceous Earth helps to keep feathers clean by absorbing excess oils. A clean flock is a healthy flock and a healthy flock is a happy flock! FRESH COOP DUST BATH can be used as provided or mixed with sand and peat moss. Why Do Chickens Need Access to a Dust Bath? Much like us, many bird species, including chickens, find it important to take regular baths. Birds, however, prefer to bathe in dust. Dust baths are a regular part of a chicken's daily preening routine which is important in order to keep their feathers clean and healthy. Is Diatomaceous Earth Safe for My Chickens? Food Grade Diatomaceous Earth is commonly used in dust baths for poultry. While some people may claim that the use of DE for purposes such as this is a new fad, various reputable sources suggest that diatomaceous earth has been used by birds and mammals as a dust bath for thousands of years.