The Manna Pro Hydro Hen Drinking Water Supplement for Poultry is everything they need in one scoop. The poultry water supplement contains probiotics, electrolytes and acidifiers to provide hydration and gut health when your birds need it most. This water supplement 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). Ensure your flock has all the nutrients needed to have a healthy foundation by giving them this poultry water supplement.