Spangler: The mystery of the whistling fireplace is solved

A 9NEWS viewer reached out to our science guy Steve Spangler for help in solving a mystery... why does his backyard grill make a whistling noise whenever he turns on the gas. It's a common problem for many people with gas grills and fire places. Steve has
Published: 5:13 PM MDT June 11, 2018
Updated: 5:21 PM MDT July 26, 2019