Step 9: Check for leaks and store refilled cylinders
Once you've refilled a cylinder, you should place some soapy water on both valves (the pressure relief valve and the regular valve you connect to your...
Step 4: Chill Empty Cylinder
Chill Empty Cylinder for 1 hour for best result. This operation lower the pressure in the cylinder. To refill the cylinder, you have to create a pressure differential between the giver and receiver tank.