This non medicated Colloidal Silver Solution requires no dilution and is ready to use for optimum lung health in horses. Regular use helps with infections such colds, coughs, heaves or bleeding due to poor oxygen intake or fermentations due to various bacteria, viruses or fungi. For use in horses only. 16oz bottle Consult your Nebulizer machine dosage chart for use. Ingredients: Proprietary blend of colloidal silver and distilled water. Contains no restricted substances.