EqualisationCan't Equalise When Freediving? 9 Common Reasons and Fixes
Why freedivers can't equalize ears past a few metres: nine common causes, from head position and late timing to congestion, and a practical fix for each.

Blog topic · 10 articles
Frenzel, mouthfill, hands-free equalisation and ear care. Why you get stuck at a certain depth and how to fix it.
EqualisationWhy freedivers can't equalize ears past a few metres: nine common causes, from head position and late timing to congestion, and a practical fix for each.
EqualisationEar pain after freediving can mean swimmer's ear, barotrauma or, rarely, an inner ear injury. How to tell them apart, daily ear care and when to see an ENT.
EqualisationEqualization exercises for freedivers that need no water: nose-clip Frenzel reps, K-lock and soft palate drills, head-down practice and a 10-minute routine.
EqualisationFreediving with a cold risks ear barotrauma, sinus squeeze and reverse block. Why decongestants are no shortcut, and how to tell you are ready to dive again.
EqualisationHands free equalization, or BTV, means opening your Eustachian tubes at will. How it works, who can learn it, drills to try and why Frenzel stays your backup.
EqualisationMask squeeze leaves red eyes and a bruised face; sinus squeeze hurts in the forehead or teeth. What causes each, how to prevent them, and when to see a doctor.
EqualisationA reverse block is air trapped in your ears or sinuses that can't escape as you ascend. What it feels like, why it happens and how freedivers can prevent it.
EqualisationHow the Frenzel technique works, from the throat anatomy behind it to a step-by-step method, nose-clip drills on land and fixes for the usual mistakes.
EqualisationThe mouthfill technique keeps you equalising once your lungs are too compressed for Frenzel. When to charge it, how to lock it, and drills to start on land.
EqualisationValsalva vs Frenzel compared: how each moves air to your ears, why Valsalva fails head-down and deeper, the risk of forcing it, and a plan for switching.