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 Foger Switch Pro Replacement Refill Pod $14.99 How Often Should You Replace Your Vape? Vuse CA How Often to Change Smok Pods? Vapesdirect How Many Times Can U Refill A Juul Pod How Do You Refill a JUUL Pod? When Should You Replace Your Pod Cartridge? How Long Does It Last? Vapeboss