Posts
Quick Guide: Mastering CO₂ Tolerance for Longer, Safer Freedives
Boost your freediving depth and safety by mastering CO₂ tolerance with simple, science‑backed techniques you can start today.
Koa VanceMarch 16, 2026
7 Must‑Have Freediving Gear Items for Van‑Life Adventures
ListicleDiscover the essential freediving gear that fits perfectly into a van‑life lifestyle, so you can dive safely and stay light on the road.
Koa VanceMarch 16, 2026
DIY Dry‑Land Breath‑Hold Trainer: Build in 5 Simple Steps
Create a portable, low‑cost dry‑land breath‑hold trainer with everyday materials and boost your freediving performance.
Koa VanceMarch 15, 2026
7 Pre‑Dive Warm‑Up Routines Every Freediver Should Try
Boost your breath‑hold performance and stay safe with these seven science‑backed warm‑up routines you can do before any freedive.
Koa VanceMarch 15, 2026
Spring Refresh: Embracing Minimalism for a Lighter Lifestyle
Turn spring cleaning into a mental reset: discover how minimalist habits lift well‑being, sharpen focus, and bring the joy of living light this season.
Koa VanceMarch 14, 2026
Your Ears Are Lying to You: A Frenzel Equalization Primer for the Plateau-Stuck Diver
Valsalva is holding you back. Here's a 3-step dry-land protocol for Frenzel equalization — the technique that breaks through the 15-meter wall without burning oxygen or creating tension.
Koa VanceMarch 13, 2026
What Living in a Van Stripped from My Diving
My best depth gains came from subtraction, not addition. Every piece of gear I removed forced me to develop a skill. Every comfort I gave up revealed a compensating pattern I had been leaning on.
Koa VanceMarch 13, 2026
How to Pick a Kona Dive Site Before You Hit the Water
My pre-dive recon rule: pick your Kona site by current, geometry, and exit logic before you think about depth.
Koa VanceMarch 13, 2026
The Dark Descent: What Night Freediving Strips Away
Night freediving removes every visual crutch you rely on during the day. What's left is pressure, proprioception, and the truth about how well you actually know your own body.
Koa VanceMarch 13, 2026
Diving Technology: The Only Outdoor Gadgets That Matter
Spring launches a new wave of outdoor gadgets, but most of them distract divers from what keeps them alive. Here's the short list of diving technology and safety equipment I trust when oxygen gets low and decisions matter.
Koa VanceMarch 6, 2026
You're Over-Weighted. I Can Tell from the Surface.
In my experience, over-weighting is the single most common technical error I see in recreational freedivers — and it's making every dive harder, more dangerous, and less efficient. Here's the math your instructor probably skipped.
Koa VanceMarch 5, 2026
You're Doing Tables Wrong: The CO₂/O₂ Confusion That's Killing Your Progress
Most freedivers train O₂ tables when what they actually need is CO₂ tolerance work—and the difference isn't semantic. It determines whether you reach 20 meters relaxed or panic at 12.
Koa VanceMarch 5, 2026