To disinfect the bottle after cleaning, use a mild bleach and water solution. Keep the bottle in it for at least 15 minutes or until it is dry and rinse it out. [4] X Research source Keep it in distilled vinegar or hydrogen peroxide for about 10 minutes or until it is dry and rinse it out. [5] X Research source Or spray peroxide and distilled vinegar between uses. [6] X Research source