Have any of you ER & ICU pros frozen your the contents of your NACL bullets? 28 degrees Fahrenheit is the magic #. Mix the bronchodilator with the NACL Ice and nebulize in a 1 hour neb. For croup, it’s instant, for COVID, fast relief of SOB and ^SPO2. Doesn’t need to go an hour. 30 minutes does the job. Patients usually discharged the same day. Wish I had the stats to post.