Most divers are taught to equalize by pinching their nose and blowing gently. This gentle pressure opens the eustachian tube

and flows air gently to the middle ear. ... You may do it already – at the surface, exhale fully as much as you can, squeezing out as much as you can, then pinch your nose and gently pop your ears.

Why cant my ears equalize?

Normally, the eustachian tubes open when you do things like swallow or yawn. This naturally equalizes the pressure in your middle ear. If the eustachian tubes become narrowed or blocked due to a disease or condition, you may feel ear pressure that doesn't go away naturally.

What should you do if you are unable to equalize?

The deeper you go in the water, the higher the pressure is in contrast with your body. This condition can occur if you are unable to equalize the pressure in your ears as you dive. You can relieve the pressure by yawning, swallowing, or blowing with your nose and mouth closed.