open circuit
Deco 40
Decompression procedures course capped at 40 m, teaching staged decompression diving on a single deco gas: dive planning, gas management, and in-water procedures for controlled ascents with required stops.
Decompression procedures course capped at 40 m, teaching staged decompression diving on a single deco gas: dive planning, gas management, and in-water procedures for controlled ascents with required stops.
Decompression procedures course capped at 40 m, teaching staged decompression diving on a single deco gas: dive planning, gas management, and in-water procedures for controlled ascents with required stops.