A 20-meter pool is almost exclusively for free-diving or scuba training. You’re not jumping in for a cannonball. You’re jumping in to see how long you can hold your breath while the pressure tries to crush your sinuses.
Visualize this: if you drop a coin from the top, it takes a couple of seconds just to see it settle on the bottom. It’s like watching a slow-motion elevator ride to the ocean floor. Except the elevator is you.
And the color? Deeper water looks darker, more blue-green. The bottom becomes a hazy, mysterious abyss. Honestly, it looks like a portal to Narnia, except Narnia is cold and full of ear pain.
But What About the Pressure?
Ah, the fun part. At 20 meters down, the water pressure is about three times what it is at the surface. That means your ears will feel like they’ve been stuffed with angry cotton balls. You’ll need to equalize, and if you do it wrong, you’ll feel like your head is a soda can being crushed.
Top 3 Deepest Diving Pools in the World
Don’t even get me started on the buoyancy. At that depth, your lungs compress. You sink faster. You also float slower when you try to swim back up. It’s a weird, floaty, slow-motion dance with gravity.
For comparison, the deepest pool in the world is over 45 meters deep (looking at you, Deepspot in Poland). So a 20-meter pool is like the “medium spicy” option on the menu. You’ll feel the heat, but you won’t die from it.