Fume Hood Fix Before Gold Drop

In this video I do some much needed maintenance on my home-built fume hood in advance of doing a big gold drop. I replaced the blower and re-caulked the joint where the exhaust comes out of the box. I also briefly go over how I built it. Please visit http://www.mdpub.com/UrbanGoldMining/... for more information. 12v Electric in Line Bilge Air Blower 130cfm https://amzn.to/3Nehbe5