eGo Riva , DSE901 and DSE510
- Remove the polyester wool with some tweezers or a pin and place it some where clean.
- With the empty cartridge stood on a flat surface drip e-liquid in so that cartridge is about 4/5th's full.
- Carefully insert the polyester wool back in to the cartridge so that it extends the cartridges full length.
- Put one more drop of liquid on to the wool and let it soak in.
- Dry the outside of the cartridge with a clean cloth and wash your hands if any spillage occured.
- Remove the rubber end cap from the cartridge
- Fill the cartridge with e-liquid.
- Refit the rubber cap.