Tanks A Lot | Sheetmetal Welding Tips and Tricks Photo Gallery
Sheetmetal Welding Tips And Tricks
17.When the tank is finished it is always a good idea to pressure test. I use a small paintgun regulator (not a restrictor valve) and a short length of 3/8-inch air line. I have found that simply forcing this size hose inside a standard 22mm petcock bung is a simple airtight seal. Only a few pounds of pressure are needed.