Wash them on the dishwasher's top rack. Do a preliminary rinse (and wash if possible!) the moment they're empty. Store them with a pinch of salt. Expose them to direct sunlight. Rinse them with vinegar. Make a solution of water and vinegar using 1 tablespoon vinegar per 1 cup of water. Pour into the container and let the solution sit for 1 to 2 hours. Wipe clean, rinse, and dry.Wash them on the dishwasher's top rack. Do a preliminary rinse (and wash if possible!) the moment they're empty.Â