To fill, use a 12 or 14 gauge blunt nose needle to syringe your oil or concentrate. Place the end of the needle as instructed per the filling instructions. Be sure to avoid the middle chimney, as getting oil in the middle can cause damage to the coil. Fill your cart slowly assuring no air bubbles occur in the tank.
It is crucial to follow iKrusher's filling instructions per device, following each step precisely ensures that the device will work correctly.