Horse Quencher 13 Ib. Jug offers optimal hydration, and is the front line of defense for beating illnesses. Horse Quencher is the easiest way to make sure your horse can compete to their highest level, or just enjoy a long ride safely! Now you can get your horse to drink when and where you want to by adding Horse Quencher to the water. This is NOT an electrolyte. It's a precise and proven blend of 100% healthy and natural grains and flavorings.