Next step: Technical Diver 1

experience level:

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basic trimix diver

Clearer heads at depth—helium reduces density and narcosis for controlled dives in the normoxic band.

basic trimix diver

Discover the underwater world with our Basic Trimix Diver Course — an autonomous diver certification for trimix scuba diving. In a relaxed, safety-focused setting, our certified instructors teach essential diving skills, equipment use, and safety procedures.

MINIMUM AGE: typically 18

PREREQUISITES: Deco experience (Deco Procedures/Tec Nitrox)

FORMAT: He-physics & planning + trimix dives (2–3 days)

GASES / DEPTH: Normoxic trimix (e.g., 21/35—confirm per S.U.B.)

EQUIPMENT: Twinset/sidemount, stage(s), redundant timing/computers, DSMB/spool

INCLUDED: Materials, certificate

BRING: Suitable stage regs, backups

Three divers in wetsuits and diving goggles are swimming in the blue sea, one of them is waving.