marc green

Do you want to extend your dive time? Whether you're a scientific diver or a photographer aiming to spend more time underwater, the TDI Advanced Nitrox Course is designed for you. This course allows divers to use enriched air nitrox ranging from EAN 21 to EAN 100 percent, within your existing certification level, to a maximum depth of 40 metres/130 feet, for dives that don't involve staged decompression. Frequently offered alongside the TDI Decompression Procedures course, it serves as the...

Engaging in diving or any sport where one's life is at stake requires adherence to specific rules. While scuba diving involves certain risks, cave diving heightens these dangers due to the unique environment and the inherent challenges of navigating underwater caves. To ensure safety when exploring the depths of a cave, cave divers must follow these five essential rules. 1, Maintain a Continuous Guideline to the Cave Exit The word "maze" aptly characterizes the layout of most of Tulums cave...

The Nitrox Diver course is among the most popular diving courses worldwide, with an increasing number of divers recognizing the advantages of using a gas mixture with a higher oxygen content compared to the compressed air typically used in entry-level scuba training. At Green Divers Tulum, we predominantly use Nitrox for our dives, largely because of the extensive benefits it provides to divers. If you're not yet a Nitrox diver and plan to train with us in open water or overhead environments,...