Soak for at least 2 minutes in a solution of 30ml of bleach per 2 Liters of water, drain and air dry. Do not use on non-stainless steel, aluminium or silver.
Keep bleach in cool dry place without direct sunlight. DO NOT mix bleach with acid or ammonia product. To avoid a buildup vapors, which can cause eye or respiratory irritation, always open the bottle and mix at outdoor or in a well-ventilated room.