Why take the Intro to Tech / Essentials / Basic Nitrox course?
The Intro to Tech / Essentials / Nitrox class is a gateway into technical and cave training and an excellent way to experience technical diving personally.
Some divers use the Intro to Tech / Essentials / Basic Nitrox course to build on the less-than-optimal training they received in traditional fast-track entry-level recreational courses. Others see the course as a ticket to participate in technical and cave classes and projects. Many technical divers, and even experienced Open Water Instructors, use the course to sharpen basic skills and access advanced technical cave training programs. Divers with very diverse backgrounds often share the same class, which makes this course unique in the diving industry. Everyone benefits, regardless of their current certification level or experience.
Who is it for?
The IANTD/IDF Intro to Tech / Essentials / Basic Nitrox allows all divers to advance basic diving skills. It provides a gateway into technical and cave training programs for non-technical trained divers (already certified by any recognized diving agency).
This course also teaches divers about the benefits, hazards, and proper procedures for using Nitrox mixtures up to 100 percent oxygen, and how to plan and conduct standard staged decompression dives.
What will I learn?
Course outcomes include, but are not limited to: technical equipment configuration and use (Basic 5 skill), trim and buoyancy, propulsion techniques including backward kicks and helicopter turn, valve management (V-Drill skill), gas sharing (S-Drill skill), DSMB deployment, and unconscious diver rescue from the bottom.
This course supplements any training divers may have already received and builds confidence in their basic skills, even if they do not want to pursue more advanced training. The course also includes the theory and use of basic nitrox with the appropriate certification.
Order your Intro to Tech / Essentials / Basic Nitrox Class now
Applicants must:
- Be qualified in IANTD/TDI Advanced Open Water Diver or equivalent;
- Be a minimum of 18 years of age or 15 with a parent or guardian authorization;
- Be physically and mentally fit;
- Obtain a physician’s prior written authorization for the use of prescription drugs, except for birth control, or for any medical condition that may pose a risk while diving;
- Have a minimum of 25 logged dives.
The INTRO TO TECH / ESSENTIAL / BASIC NITROX course normally lasts three days. It requires at least six dives and 100 minutes of dive time, plus classroom lectures, land drills, and in-water work. Transfer from Playa del Carmen is included.
Students must bring their own tech-level diving gear (requirements will be provided upon registration) or borrow/rent it, pay for their gases and tank rentals, cenote entree and agency certification fees is not included
Order your INTRO TO TECH / ESSENTIAL / BASIC NITROX CLASS now
OK GUYS, I’M GONNA BE YOUR CAVE INSTRUCTOR

Alexander Vronsky
Founder, Cave Ha Diving Mexico
IANTD and IDF Instructor Trainer. IDF Course Director.
Cave and technical instructor trainer: Cavern to Technical Cave, Technical to Master Deep.
CCR instructor: GBM CCR from Nitrox to Trimix 100, S7 CCR from Nitrox to Helitrox, CCR Cave, CCR Technical Cave, CCR Expedition Cave, Dual CCR.
Approved S7 ССR and GBM CCR instructor. Authorized dealer for S7 and GBM rebreathers.
GUE member. GUE Cave 2, Cave DPV, Cave CCR, CCR 2, Tec 3. IANTD Fathom MKIV CCR. TDI technical instructor
Elected representative of CREER (Comité Regional de Espeleobuceo, Ecología y Regulación), the regional cave diving committee of Quintana Roo.
Alexander lives and teaches year-round in Playa del Carmen, in the Riviera Maya, home to nine of the ten largest underwater cave systems in the world. Every cave and technical instructor on the Cave Ha team was trained by him.
Before dedicating himself to diving, Alexander spent many years running large-scale technical and broadcast operations, including for the Olympic and Paralympic Games. That background is why the logistics behind every course here simply work.
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