(It's believed, however, that specific incident may have been caused by a vape cartridge containing THC—the main psychoactive compound in marijuana; a trend that hasn't been seen in the other Wisconsin and Illinois cases).
If printing quality begins to suffer, then consider splurging for a new cartridge.
Lastly, the newly formed liquid can be injected into an ordinary ink cartridge for everyday use.
We'd been classmates in fourth grade, and one time he'd given me a fountain pen, the kind you had to load with a cartridge.
