Diving
Equalisation: Why Ears End Most Freedivers' Progress
Frenzel and mouthfill solve the one problem that stops more beginner freedivers than fitness or fear ever does: equalising the ears under rising pressure.
Dec 5, 2024
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18 stories for“equalisation”
Diving
The Ear Problem Nobody Teaches You Is the One That Happens on the Way Up
Descent equalisation is drilled into every open water student. Reverse block, where expanding gas cannot escape the middle ear or sinus on ascent, gets a sentence in the manual and is considerably harder to manage.
Sep 5, 2026
Diving
Lung Squeeze: The Freediving Injury That Comes From Trying Too Hard
Coughing pink after a deep dive is not something to shrug off. Squeeze happens when tissue cannot keep up with pressure, and the usual causes are tension, forcing equalisation and pushing depth too fast.
Aug 13, 2026
Diving
What Freediving Actually Is: Every Discipline Explained
CWT, CNF, FIM, STA, DYN: a plain guide to how competitive freediving is actually judged, discipline by discipline, and why the letters matter more than the depth alone.
Feb 14, 2024
Diving
Freediving Breathing: What Helps, What Does Nothing, and What Can Kill You
Breathe-up, diaphragmatic breathing and the recovery breath are the three that matter. Hyperventilation is the one that removes your warning that you are about to black out.
Aug 10, 2026
Diving
Deep Dive Dubai: 60 Metres of Water and No Weather at All
The world's deepest pool holds 14 million litres at a constant 30C, with a sunken city at the bottom. What it removes from diving turns out to be the interesting part.
Aug 6, 2026
Diving
The Freediving Depth Records and Who Actually Holds Them
The current constant weight world records, the athletes behind them, and the federations, AIDA and CMAS, that ratify every metre added to the books.
Jan 15, 2026
Diving
Enchante Gallardo Ties the Women's Free Immersion Record at 106m
At the Asian Freediving Cup in Panglao, the Hawaii-based American pulled herself to 106 metres and back on one breath, matching a mark Natalia Zharkova has held alone until now.
Aug 3, 2026
Diving
The Freediving Films Worth Watching, and What Each One Gets Right
A small genre with a heavy subject. These are the documentaries and features that actually explain the sport, including the ones that handle its deaths honestly rather than as spectacle.
Aug 11, 2026
Diving
When Scientists Dive, Credentials Do Not Remove the Risk
Research divers work under formal scientific diving safety standards, but a marine science background does not make deep or technical diving inherently safer to attempt.
Jun 14, 2026
Diving
CO2 and O2 Tables: The Dry Training That Actually Moves Your Breath-Hold
Two tables, two different adaptations, and a hard rule about where you do them. One trains tolerance to discomfort, the other trains efficiency at low oxygen, and confusing them wastes weeks.
Aug 12, 2026
Diving
Freediving in the UAE: Where to Train When the Sea Is 34C
The east coast has the depth, the Gulf side has the pools, and summer changes the answer entirely. A practical guide to training here across the year rather than flying to Dahab every time.
Aug 13, 2026
Diving
Freediving in Dahab: Why the Whole Sport Ends Up Here
Deep water a short swim from shore, no boat, no current and warm all year. Dahab's geography explains its status, and the same geography is why the Blue Hole has the reputation it has.
Aug 9, 2026
Diving
Freediving Weights: The Setting That Decides Whether a Dive Is Safe
Overweighting is the most common equipment error in freediving and the one with the worst failure mode. The rule is simple: neutral at ten metres, positive above it, and the surface is where it matters.
Aug 11, 2026
Diving
What DAN's Diving Fatality Data Actually Shows
DAN's annual diving reports track how divers die each year, and the leading cause is rarely the dramatic equipment failure popular imagination assumes it to be.
Jun 19, 2026
Diving
Freediving in the Red Sea and the Gulf: Where People Actually Train
Dahab's Blue Hole draws freedivers year round for a reason: shore access to real depth, warm water, forgiving conditions and an established training community.
Nov 14, 2025
Diving
Fitness to Dive: Why the Medical Form Is Not a Formality
PFO, asthma, diabetes and certain medications can all change whether diving is safe. Here is why the medical questionnaire before a course matters.
Jan 27, 2025
Diving
Flying After Diving: Where 12 and 18 Hours Actually Came From
The numbers every diver recites are not arbitrary and they are not a safety margin invented by lawyers. They come from a specific set of chamber trials, and knowing their limits tells you when to wait longer.
Aug 15, 2026
