Does anyone know how often one should replace a pod w a vape like this? The liquid has turned a darker color is that normal? Just curious. : r Vaping When To Change Vape Pod The Vape Experts Signs It's Time to Replace Your Coil: The Ultimate Guide Helping Patients Understand When to Replace a Refillable Pod or Coil Vapelabs How to Change & Remove Pods on Hayati Pro Ultra Plus How Long Do Vaporesso Pods Last? TABlites Tablites