The area of fine and ultrafine bubble technology has seen great advancements over the last few years. Ultrafine bubble water has become used in a great deal of cleaning processes (salt, oil, dirt) and also finds uses in hydroponics, ozonation of water and foods. Microbubbles are potentially good ultrasound contrast agents. This webinar will outline the many different industries that ultrafine and fine bubbles are used in, how they are characterised and also cover the international standardisation that is currently underway. It is intended to serve as a good introduction to the sector for those people new to the area.