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Normoxic Trimix Diver Plus in Tulum: 2 dive centres on TecDiveTools, with agencies, courses taught and a summary of what students say. 1 publish course prices.
TecDiveTools lists 2 dive centres teaching Normoxic Trimix Diver Plus in Tulum, Mexico. 1 of them publish course prices, in the currency the shop advertises and with the date each was checked — not converted, and not estimated.
Listings are ordered by how much evidence exists about their technical diving, not by a star rating, with any paid Featured listing shown first and marked as such (how rankings work). 1 of these 2 carry reviews we have read and classified as being about technical or overhead training. The count excludes recreational certifications by name, so a busy resort does not outrank a one-instructor cave operation on the volume of its reef trips. Separately, 1 have at least one instructor whose reviews we have read and summarised — a dive centre carries no synthesis of its own. How we read and count reviews.
Looking for individual instructors instead? Instructors in Tulum.
About the course
An advanced extension of Normoxic Trimix certification enabling deeper technical dives using normoxic trimix mixtures with refined gas-switching skills and complex decompression profiles. This course builds on existing Normoxic Trimix foundation with additional deep technical dives demonstrating consistency and mastery in challenging depth and gas scenarios. Requires demonstrated advanced proficiency before enrollment.
The centres listed above teach IANTD Normoxic Trimix Diver Plus in Tulum, Mexico. Requirements are set by the agency, not the centre, so they are the same wherever you train — what differs is price, class size and how much diving is included.
2 dive centres on TecDiveTools teach IANTD Normoxic Trimix Diver Plus in Tulum, Mexico. Each is listed above.
Deep open-circuit training is done off the Riviera Maya and Cozumel, and in deep cenotes such as The Pit, where depth, a halocline and hydrogen-sulphide cloud combine in one dive.