Empty your tube. Stack your birds in 6 groups of 2. Take a spray bottle of room temp water and mist the inside of the tube with visible droplets of water running through the barrel. Push the tube back onto the pairs until you filled the tube back up. Use saran wrap and fold into a square. Push square of saran wrap over each tube cover and mist each end and place back onto tube for an airtight seal. Water will HYDRATE the shuttle. Why use steam?