A visible pod air pocket is often a pressure-and-geometry effect, but it matters when it repeatedly interrupts liquid...
The pod is bubbling because normal wicking releases occasional air bubbles, while flooding produces persistent wet bu...
The pod is bubbling because slow liquid migration, pressure equalization, wick saturation, temperature change, or a w...
The pod is bubbling because overfilling removes the air space needed for pressure changes and can force liquid into t...
The pod is bubbling because air trapped in the wick or reservoir is being displaced as liquid saturates the coil afte...
The pod is bubbling because closing the fill port changes pressure inside the pod and can displace air or liquid thro...
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