Is Pulsing Your Coils Dangerous?
Pulsing coils when building and re-wicking is very common practice among vapers, as it is useful for ensuring the coil heats evenly and to rid the coil of excess liquid and any gunk when re-wicking.
However, new evidence suggests you could be doing more harm than good by dry-burning your coils. According to Dr Farsalinos and Pedro Carvalho, the metals used for coils will undergo all sorts of chemical changes due to being used for vapourising e-liquids, such as:
- Oxidisation – heating the coils in the presence of oxygen will oxidise the coils, change the grain size of the metal, and promote new bonds between metal atoms.
- Corrosion of the metal due to continuous contact with e-liquid.
So how is dry-burning dangerous?
The molecular changes caused by coil pulsing/dry burning, paired with the inhalation of e-liquid from the coils can make vaping more dangerous than it should be. This is because the factors mentioned above can contribute to metals being present in the aerosol of the e-cigarette. Effectively, by dry-burning your coils you could be inhaling a toxic or carcinogenic vapour.
This by no means makes vaping as dangerous as smoking cigarettes.
Vaping is known to be 95% less dangerous than smoking cigarettes. If you compare the metal exposure of vaping coils that have been dry-burned continuously, to the exposure of thousands of harmful chemicals present in traditional cigarettes, it displays that even being reckless with your vaping methods is still far less harmful than smoking.
But it’s still better to vape safely. Here’s what we recommend:
- Only purchase the highest quality e-liquids
- Use temperature control coils where you can
- Keep your home-built coils fresh and clean by replacing them regularly and washing them instead of dry-burning between wicks.