Dry puff happens when the e-liquid in your capsule or cartridge runs out. To avoid dry puff while using a Logic Pro device, always be sure to check the level of your e-liquid in the capsule window. When you notice your e-liquid is running low, you should immediately change your capsule out for a new one. In cartridges without a window, a change in taste can occur when the e-liquid is running low. Be sure to change your cartridge immediately if you notice a change in taste.