America's original equine electrolyte, Farnam's Electro Dex supplies the electrolytes active horses may lose in training or competition. This cherry-flavored micro-blend is for use in feed or drinking water. FEEDING DIRECTIONS (enclosed scoop holds 1 ounce):Electro Dex may be administered in the horse's feed or drinking water at the rate of 2 ounces per 10 gallons of fresh water, or 2 ounces in the horse's daily feed ration in place of regular salt. Important: When administered in water, allow no other source of drinking water. | Farnam Electro Dex Equine Supplement | Size 5 lb