@flib Hi Flib...I am pretty new to this but go by this from a bronchiectasis.site...pretty simple. They even have a video but here is the site and the nebulizing info: : http://bronchiectasis.com.au/physiotherapy/techniques/inhalation-therapy-via-a-nebuliser

Sit in a well-supported chair with a neutral lumbar spine – this enhances the function of the diaphragm and the pelvic floor and minimises musculoskeletal stress (Fig. 1)

Use a mouthpiece *, if possible, and place it well into the mouth on top of the tongue

Instruct the patient to breathe in slowly, with varied inspiratory volumes

Hold the breath briefly before exhaling

Continue until the nebuliser bowl is empty