Indoor pool training on Friday 15 December 2023 was a highlight.
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![Explore the underwater world with just one breath Explore the underwater world with just one breath](https://freedive-konstanz.de/modules/ps_banner/img/aef12a81af9c579e54dbf73428cbbbf4.jpg)
Discover the scheduled courses and dates in the course calendar. Contact me if you would like to take a course at another time.
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![Training in the Y-40 Training in the Y-40](https://freedive-konstanz.de/img/ybc_blog/post/thumb/17150602403-Y-40-Small.jpg)
Training in the Y-40 Read more
Benefits of training for freedivers in the Y-40, the deepest pool in the world with thermal water
![The origin of the Lobster Weight - blog by Dmitri Voloshin The origin of the Lobster Weight - blog by Dmitri Voloshin](https://freedive-konstanz.de/img/ybc_blog/post/thumb/1715060240Lobster-Weight-Initial-Design-Study.jpeg)
The origin of the Lobster Weight - blog by Dmitri Voloshin Read more
Dmitri Voloshin, inventor of the Lobster Weight