Once you begin going below the surface, pressure becomes the central force you must respect. Water is heavy, and the deeper you go, the more it presses on you from all sides. Understanding this is essential for diving comfortably and safely as you progress toward depth.

Basics
How Pressure Affects Your Body
As you descend, water pressure squeezes the air spaces in your body. Understand what happens and why equalization keeps you safe.
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11 min read· IntermediatePRO
PRO
This is a PRO lesson
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