How To Connect Big Helium Bottle Regulator

Screw the Technical Valve Regulator to the helium bottle by hand and tighten it with a wrench.
Unscrew the metal adaptor if connected, then screw the connection directly to the Technical Valve. Tight the connection using a wrench.
Make sure the Technical Valve is in a closed position, turning it counterclockwise. It should feel more loose.
Open the helium bottle - turn the main valve counterclockwise.
Make sure the precision red valve is open, turning counterclockwise.
start turning the Technical Valve clockwise until you feel pressure coming out the tube.
Now you can close the red precision valve and use it to control the pressure to make clouds.
When you finish the use, make sure to close the technical valve and the helium bottle to avoid loss.

Tools:
Adjustable Wrench