Guaranteed Analysis Salt (minimum) 90.0% Salt (maximum) 93.0% Zinc (actual) 15,000mg/kg (ppm) Manganese (actual) 10,000mg/kg (ppm) Copper (actual) 5000mg/kg (ppm) Iron (actual) 1600mg/kg (ppm) Iodine (actual) 200mg/kg (ppm) Cobalt (actual) 100mg/k