The Equalization Struggle: Advanced Ear Clearing Tips for Scuba Divers

We see it happen on dive boats all the time. The divemaster gives the “descend” signal, the group drops below the surface, and a minute later, one diver is stalled at 10 feet. They are aggressively pinching their nose, kicking their legs, and staring at their dive computer with a look of mounting frustration. The culprit? Stubborn ears.

Inability to clear the ears (equalize) is the single most common reason divers abort a dive or even quit the sport entirely. It is incredibly frustrating to have the air, the training, and the desire to dive, only to be stopped by a tiny tube in your head. At Cactus to Coral Scuba, we want to assure you that if you struggle with equalization, you are not alone, and your diving days are not over. You probably just need to upgrade your technique.

The Anatomy of the Problem

To fix the problem, you have to understand the mechanics. Behind your eardrum is a small, air-filled space (the middle ear). As you descend, the water pressure pushes inward on your eardrum, causing pain. To relieve this, you must push air from your throat into your middle ear to balance the pressure. The only passageway for this air is the Eustachian tube.

For some people, these tubes are wide and clear easily. For others, they are narrow, sticky, or easily inflamed. If you fall into the latter category, the basic technique taught in Open Water class might not be enough.

Beyond the Valsalva: Upgrading Your Technique

In your beginner course, you were likely taught the Valsalva Maneuver: pinch your nose and blow gently. While effective for many, the Valsalva has a major flaw: it uses your chest muscles to force air upward. If you blow too hard, you can actually lock the Eustachian tubes shut, or worse, rupture an eardrum or round window. If the Valsalva isn’t working for you, it’s time to try the alternatives.

1. The Frenzel Maneuver (The Gold Standard)

This is the technique used by freedivers who drop to 100 feet in seconds, and it is the safest, most effective method for scuba divers. Instead of using your chest and lungs to push air, you use your tongue as a piston.

• How to do it: Pinch your nose closed. Close the back of your throat (as if you are about to lift something heavy). Now, make a hard “K” or “T” sound. This action forces the back of your tongue upward, compressing the air in your nasal cavity and driving it straight into your Eustachian tubes.
• Why it works: It requires very little effort, doesn’t rely on your lungs, and can be done repeatedly and rapidly without exhausting yourself.

2. The Toynbee Maneuver

If you have “sticky” tubes that resist opening with pressure, swallowing can help physically pull them open using the muscles in your throat.

• How to do it: Pinch your nose closed and simply swallow.
• Why it works: Swallowing activates the muscles that naturally open the Eustachian tubes, while pinching your nose creates a slight pressure dynamic that helps the air move into the middle ear.

3. The Edmonds Technique (The Jaw Thrust)

Sometimes, the tubes just need a little physical stretching to open up.

• How to do it: Jut your lower jaw forward and slightly downward (like a severe underbite) and wiggle it from side to side. Combine this with either a Valsalva or a Frenzel maneuver.
• Why it works: Pushing the jaw forward physically pulls on the tissue surrounding the Eustachian tubes, straightening them out and making it easier for air to pass through.

4. The Lowry Technique

This is a combination move for particularly stubborn ears.

• How to do it: Pinch your nose, blow gently (Valsalva), and swallow at the exact same time. It takes a little coordination to master, but it is highly effective.

Pre-Dive Preparation: Winning the Battle on the Surface

Equalization starts long before your face hits the water. If you wait until you are 10 feet deep to start thinking about your ears, you’ve already lost the battle.

• Start Early: Begin equalizing on the drive to Lake Pleasant or the boat ride out in San Carlos. Gently clear your ears every few minutes. By the time you hit the water, your Eustachian tubes will already be “warmed up” and pliable.
• Hydration is Key: Living in Phoenix, dehydration is a constant threat. When you are dehydrated, your mucus becomes thick and sticky, clogging the Eustachian tubes. Drink plenty of water in the days leading up to your dive.
• Avoid Mucus Producers: Skip the dairy (milk, cheese) and heavily processed foods 24 hours before a dive, as they can increase mucus production for some people.
• Listen for the “Pop”: Before you even deflate your BCD, swallow and listen for the distinct “pop” or “click” in both ears. If you don’t hear it on the surface, you won’t get it at depth. Don’t descend until they pop.

In-Water Tactics: The Descent

How you descend is just as important as the technique you use.

Descend Feet First: Water pressure is heavier than air. If you descend head-first, blood rushes to your head, causing the tissues around your Eustachian tubes to swell and narrow. Always descend feet first, looking up toward the surface. Looking up naturally extends your neck and helps stretch the tubes open.

Stay Ahead of the Pain: This is the golden rule. You should be equalizing before you feel pressure, not after you feel pain. Equalize at the surface, at 2 feet, at 4 feet, and so on. If it hurts, the pressure differential is already too great, and the tubes have locked shut. Never force it. Stop, signal your buddy, ascend a few feet until the pain stops, and try your technique again.

Use a Descent Line: If you struggle with ears, a free descent in the blue is your worst enemy. Use the anchor line or a mooring line. This allows you to control your descent inch by inch, stopping immediately if you need to work on an ear.

Buoyancy Control is Ear Control

Often, ear problems are actually buoyancy problems in disguise. If you cannot control your descent rate—if you are plummeting toward the bottom because you are over-weighted—you will never be able to equalize fast enough to keep up with the pressure changes.

If you find yourself struggling to descend slowly and in control, it might be time for an SSI/SDI Perfect Buoyancy course. Perfecting your weighting and breathing allows you to hover motionless at 10 feet while you gently work on clearing your ears, removing all the stress from the descent.

Don’t let your ears dictate your dive season. Stop by Cactus to Coral Scuba to chat with our instructors about your equalization struggles. We can help you practice the Frenzel maneuver on dry land and make sure your weighting is dialed in for a smooth, pain-free descent on your next adventure.