Humidification is critical to keeping trachy tubes clean and reducing the chance of blockage. When you by-pass the natural warming and humidification offered by the nose, secretions can get thick and cause problems. In this short video, Sr English explains how to stop a paediatric tracheostomy tube from becoming blocked by using a series of different humidification devices. Devices vary from each child and in different situations, so it is essential to know the basics.