Knowing when a disposable vape is finished can be determined by observing certain signs. In the following piece, we discuss "how to know when a disposable is finished." Look for a decrease in vapor production, a diminished flavor intensity, difficulty inhaling, or a weak throat hit. Some disposables may have transparent windows or indicators to check the e-liquid level. Alternatively, gently tapping or squeezing the device can help determine if it's empty and needs replacement. Read More - https://www.openalltime.com/blog/how-do-you-know-when-a-disposable-vape-is-empty/