Uwell Caliburn G2 e-liquid usually turns brown under these 3 conditions:
- Residue buildup in the coil caused by long-term heating of the atomizer
- High VG e-liquid may not be atomized properly and remain residue in the tank
- E-liquid degradation due to exposure to direct sunlight or high temperatures
To avoid these situations, here’re 3 maintaining advice:
- Regularly clean buildups of G2 coil and tank
- Try e-liquid in a balanced PG-VG ratio (like 50:50)
- Store the vape in a cool and dry place
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