Knowledge
The fundamentals every new freediver asks about — read in order, or jump to what you need.
The urge to breathe isn't what you think it is. Understanding what your body does during a breath-hold is lesson one of freediving.
90% of beginner plateaus are equalization plateaus. Valsalva vs Frenzel, how to train on land, and what to do when your ears won't cooperate.
Freediving can be very safe or very dangerous — the difference is a handful of simple rules.
Low-volume masks, long fins, open-cell wetsuits — what to buy first, what to rent, and how not to waste money.
What do STA, DYN, CWT and FIM stand for? What's a freefall, a samba, a mouthfill? Freediving jargon, decoded on one page.