1.Fold your paper towel over a few times and set it on your non porous work surface.
2.Stand your atomizer (threaded size down) on your paper towel.
3.Hold the tank with one hand,and use another one to press top cap and move it counterclockwise.
4.Add e-liquid through the slot,and pay attention not to drip in into the central airflow tube.
5.Close the cap carefully and firmly.Then let it stands for 15 minutes to get the organic cotton completely saturated.
6.Now wipe the threads clean and dry.