No equalization. No (free)diving.
It’s as simple as that. If you can’t equalize, you can’t fully enjoy one of the most rewarding experiences beneath the surface.
Equalization is one of the most important skills in snorkeling, scubadiving and freediving. It allows you to descend safely, comfortably, and with confidence. Whether you’re just starting your underwater journey or preparing for deeper dives, mastering the right equalization techniques is essential for safe and enjoyable diving.
Our Equalization Courses are designed to help you understand the mechanics of equalization and develop the skills needed to progress with confidence. From learning the fundamentals of Frenzel to mastering advanced techniques such as Mouthfill, we’ll help you equalize more efficiently, comfortably, and safely.
Our EQ courses are available in two formats, DIY or Live Trainer, allowing you to choose the learning experience that best suits your needs and goals.
Choose the course that matches your experience level and start improving your equalization today.
Basic Equalization Course
Master the Frenzel technique
The Equalization Basic Course is designed for freedivers who struggle with equalization or want to learn the Frenzel technique in a safe, structured and effective way.
Whether you’re unable to equalize head-down, experience difficulty during the first few meters of your dive, or simply want to improve your technique, this course provides the knowledge and practical exercises needed to build a solid foundation.
Who is this course for?
This course is suitable if you:
- Struggle to equalize during the first meters
- Find head-first descents difficult
- Want to transition from Valsalva to Frenzel
- Want to equalize more efficiently and safely
What will you learn?
Throughout the course you’ll learn:
- The fundamentals of equalization
- How to recognize your current equalization technique
- Glottis awareness and control
- Tongue positioning and air compression
- Simulated head-down equalization
- Phonetics for learning Frenzel
- Removing tongue and soft palate locks
- Performing a conscious and efficient Frenzel maneuver
Materials required
- Otovent
- Otovent balloons
- Mirror or camera
Advanced Equalization & Mouthfill Course
Master advanced equalization techniques
The Advanced Equalization & Mouthfill Course is designed for freedivers who already have a solid Frenzel technique and are ready to progress to deeper dives.
Whether you experience difficulties equalizing beyond 20–30 meters, need to make throat sounds while equalizing, feel chest pressure during your dives, or want to master the Mouthfill technique, this course will help you equalize more efficiently, comfortably, and safely.
Using a structured step-by-step approach, you’ll develop advanced equalization skills while gaining a deeper understanding of the anatomy and mechanics behind successful deep equalization.
Who is this course for?
This course is suitable if you:
- Already use the Frenzel technique
- Experience difficulties equalizing beyond 20–30 meters
- Want to learn Mouthfill
- Want to improve the efficiency and safety of your equalization
- Are preparing for deeper freediving
What will you learn?
Throughout the course you’ll learn:
- Advanced Frenzel techniques
- Oropharynx and nasopharynx control
- Soft palate control
- Air translation techniques
- Advanced glottis control
- Mouthfill (Frenzel Fattah)
- Efficient air management for deep diving
Materials required
- Otovent
- Otovent balloons
- Mirror or camera
Which option is right for you?
DIY is ideal if you're comfortable learning independently and prefer to progress at your own pace.
Live Trainer is perfect if you'd like personal coaching, detailed feedback and direct guidance from a certified SHARE equalization instructor while mastering frenzel, advanced frenzel and mouthfill techniques.
DIY - Learn independently at your own pace
- Self-paced online course
- 6 months access to the platform
- Step-by-step video's, animations and demonstrations
- Final video assessment
- Certificate upon successful completion
Prize: $85,-
Live Trainer - Personal coaching & faster progress
- Complete online course + live coaching
- 1 year access to the platform
- Step-by-step video's, animations and demonstrations
- Three live webinars or three in-person sessions in Bonaire
- Personal feedback throughout the course
- Final video evaluation with intructor
- Certificate upon successful completion
Prize: $250,-