Freediving Blog
Training, Stories & Depth Insights from The Depth Collector

Welcome to the Training Journal of The Depth Collector

This is where I document freediving as it actually happens.
Dives, mistakes, the patterns behind performance, and the stories of a life dedicated to the ocean.

Depth Progression Guides

Practical guides for freedivers who want to progress safely from 30m to 40m, 50m, and beyond.

Anthony Feoutis

Warm-up For Deep Dives

Do warm-up dives genuinely prepare us for depth?

“How to Freedive to 30m” article image with a smiling freediver holding the dive line.

Anthony Feoutis

Freediving to 30M

Thirty meters is the first real checkpoint in freediving.

“How to Freedive to 40m” article image with a freediver surfacing and holding the line.

Anthony Feoutis

Freediving to 40 M

Forty meters is where freediving begins to demand real preparation.

“How to Freedive to 50m” article image with a freediver preparing at the surface beside the dive line.

Anthony Feoutis

Freediving to 50 M

Mouthfill, CO₂ Tolerance, and the System Behind a Clean 50m Dive

Training Articles

Every dive teaches something. The articles below break it down.

Freediver in snorkel gear holds a line in open water beside a boat labeled Roatan Freediving School & Training Center, with crew aboard.

Do Warm-Up Dives Actually Improve Freediving Performance?

Do warm-up dives genuinely prepare us for depth, or quietly drain the energy we need for the dive that matters? A critical look at blood shift, splenic contraction, fatigue, and the real physiological cost of warming up.

Anthony Feoutis

17 min read

Freediver Wen Hsiang Huang in a black wetsuit at sunset sea, with text Depth Talks and The Art of No-Fins Freediving

The Art of No-Fins Freediving: An Interview with Wen Hsiang Huang

Wen Hsiang Huang reveals how technique, muscular awareness, and relentless experimentation shaped his rise in no-fins freediving.

Anthony Feoutis

8 min read

Man in black wetsuit and goggles at a beach table with an empty plate, fork and knife; sign says Eat less, Supplement more.

Freediving Nutrition for Deep Diving: The Empty Diver Myth

The empty diver myth: freediving nutrition, hydration, supplements, and why starving yourself is not preparation.

Anthony Feoutis

10 min read

Close-up of a freediving instructor in a navy beanie holding fingers near his face around an AIROFIT mouthpiece, against a white background.

Airofit Elite Review for Freedivers: Why Stretching Your Lungs Is Not Enough

Stretching gave me space. Airofit Elite helped me train the strength to use it. Freediving breath training, upgraded.

Anthony Feoutis

5 min read

A freediver floats beside a buoy at sunset, facing the horizon in calm open water. Written on the buoy are the words “Leonard – Forever in the Blue,” creating a quiet memorial scene with soft golden light, gentle waves, and a reflective atmosphere.

Freediving Is Safe… Until Suddenly It Isn’t.

A personal chronicle about freediving, loss, safety, and the death of a young freediving instructor. A raw reflection on the beauty and danger of breath-hold diving

Anthony Feoutis

3 min read

Freediving Strength Training: Why Most Divers Train the Wrong Way

Anthony Feoutis AIDA & Molchanovs Instructor Trainer He is the founder of The Depth Collector and VD Freediving Taiwan. With over a decade of experience, he focuses on solving real-world freediving problems, from equalization to depth adaptation, using practical, field-tested methods. Most freedivers think technique is everything. And yes, technique matters. Relaxation matters. Equalization matters. CO₂ tolerance matters. But there is another reality many divers do not want t

Anthony Feoutis

4 min read

Wetsuited man on a sailboat adjusts ropes against a bright sky, focused and wet, with the ocean blurred below

Freediving to 50 Meters: Mouthfill, CO₂ Tolerance, and the System Behind a Clean 50m Dive

Anthony Feoutis AIDA & Molchanovs Instructor Trainer He is the founder of The Depth Collector and VD Freediving Taiwan. With over a decade of experience, he focuses on solving real-world freediving problems, from equalization to depth adaptation, using practical, field-tested methods. Before You Read This This is the third step in the series. If you haven’t read Freediving to 30 Meters and Freediving to 40 Meters yet, start there first. My 40 meters were solid, and I had fin

Anthony Feoutis

11 min read

Smiling diver in pink wetsuit and goggles grips a rope amid splashing water, with another diver behind.

Freediving to 40 Meters: How to Prepare for a Clean and Safe Dive

Becoming a fantastic 40-meter diver is not about chasing the number. It is about preparing your body, mastering equalization, adapting to pressure, and building the dive before you attempt it.

Anthony Feoutis

12 min read

Smiling freediver in black wetsuit holds a rope above the ocean, with calm sea and a small boat in the distance.

Freediving to 30 Meters: Why This Depth Changes Everything

Freediving to 30 meters is not just another number. It is where technique, equalization, relaxation, and your nervous system start getting tested.

Anthony Feoutis

8 min read

Divers celebrate near a boat with banners. Spectators onboard cheer and take photos. The water is calm and the scene is lively.

How to Prepare for Your First Freediving Competition

Most divers completely misunderstand competition preparation. After years coaching athletes, I break down what actually matters when preparing for a freediving competition.

Anthony Feoutis

6 min read

Freediving safety diver escorting a diver along a descent line at the surface in clear blue water, preparing for a deep dive during training

I Met a Freediving Legend at Vertical Blue. It Didn’t Go as Expected

A real story from Vertical Blue about safety diving, elite freedivers, and the moment meeting a legend didn’t go as expected.

Anthony Feoutis

5 min read

A richly detailed, steampunk-inspired illustration for “Master Hands-Free Equalization” in freediving. The design features a large, orange-brown octopus with curling tentacles intertwined with brass gears, pipes, and gauges. On the right, vertical glass tubes filled with green, orange, and blue liquids connect to intricate machinery. The background blends teal and bronze tones, with ornate corner decorations and bold vintage lettering.

Master Hands-Free Equalization: Unlocking the Secret of BTV in Freediving

Hands-free equalization isn’t magic, it’s muscle training. Behind every clean BTV are small, hidden muscles working in perfect sync: the Tensor Veli Palatini, Levator Veli Palatini, and Salpingopharyngeus. Learn to control them, align your jaw and soft palate, and you’ll unlock the most technical equalization technique in freediving.

Anthony Feoutis

4 min read

Steampunk-inspired square illustration of a female freediver in a teal suit and brass breathing apparatus, standing calmly underwater with her hand on her chest, facing a massive octopus with glowing orange eyes. Surrounded by intricate Victorian pipes, gears, and glowing lanterns, the scene symbolizes breath hold training, inner control, and the balance between fear and mastery.

Breath Hold Training for Freediving: What Every Freediver Should Know

Want to improve your freediving breath hold? Discover expert tips, proven techniques, and training methods to extend your breath hold safely and effectively.

Anthony Feoutis

7 min read