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guetraining guecrossover

  1. Surface Interval
    Bonjour from France, First post on this forum, so please go easy with me, but i need some advice. My name is Stefan and i live in Metz, France. I am a CMAS 2* diver, a cave diver under the FFS and i am trimix trained. I have been diving for 12-13 years. I have become familiar with GUE...