Hydro-Hen 3-in-1 Supplement contains Probiotics, electrolytes, and acidifers to provide hydration and gut healthy when your birds need it most. Hydro-Hen is designed for inclusion in the drinking water of all species and ages of poultry (chickens, ducks, turkeys, geese, and other domestic poultry and waterfowl). It provides important nutrients and Probiotics to support digestive health and hydration. | MannaPro Hydro-Hen 3-in-1 Supplement | Size 8 oz