Browse Seminars View Calendar SeminarThe Theory of CO2 Narcosis During Ascent at Extreme Freediving Depths Special Subjects Duration: 3 hrs Cost: 15 € Participants: up to 4 Language: English Interaction: Questions & Discussion Contents Master Freediving Equipment The Freediver Digital Underwater Photographer Related PostsThe First Great Struggle and Achievement in Recreational Freediving31.01.2026Freediving Training Courses18.06.2026Freediving Records: Reaching abyss and having nothing more to achieve or proving there is no limit in freediving depths?17.06.2026