Stall DRY®reduces ammonia levels, eliminates odors and provides moisture absorption. Reduce harmful ammonia levels and absorb moisture and odors in: . Stall DRY Absorbent & Deodorizer safely and effectively refreshes horse stalls, pens and barns, livestock facilities, poultry houses, equestrian centers, dog kennels, and calving and foaling stalls by reducing ammonia levels, eliminating odors and absorbing moisture. It is composed of a natural blend of food grade diatomaceous earth and clay in a granular form and, as a result, is safe to use with all animals.