Diving in Kauai provides extreme pleasure and demands safety and skill. We offer the most comprehensive kauai scuba certification available on the island, and we are the only company that offers rebreather diving certification.
We are your source for dive adventures, diver training, and diving certifications from the beginner to the most advanced scuba, recreational, and technical divers, as well as dive instructor courses. As an SDI/TDI and Poseidon Certified Dive Center, we offer a full range of courses and certifications to fit your needs. We are the only certified technical and closed circuit rebreather diving center in Kauai, and the only center offering guided rebreather boat dives in all of the Hawaiian Islands. As a full service dive center, we provide sales and support for Poseidon, Kiss, and Titan rebreathers, as well as any of your open circuit scuba gear.
Whether you are a little rusty or a very skilled diver, our instructors are here to help you with all your recreational and technical diving needs. We offer a small group atmosphere with personal attention, so you get the most out of your dive experience, and our expertise and safety record is unparalleled!
Diver Education Courses
- Technical Diving
- Advanced Nitrox
- Normoxic Trimix
- O/W Side Mount
- Public Safety Diver
- In Water Recompression
- Nitrox Blender
- Trimix Blender
Open Water Diver Education Courses
- Scuba Diver
- Open Water Diver
- Advanced Open Water
- Emergency First Response
- Master Scuba Diver
- Dive Master
- Assistant Instructor
- Open Water Instructor
Diving Instructor Courses
We offer diving instructor courses at all levels contact us for details, headquarters on the Hawaiian Island of Kauai.
Technical diving is a term for diving methods that exceed the limits imposed on depth and/or immersion time for recreational scuba diving. Technical dives in the waters around Kauai often involve using special gas mixtures (as opposed to compressed air) for breathing. Technical dives are defined as:
- dives deeper than about 130 feet (40 m)
- dives in an overhead environment with no direct access to the surface or natural light
Examples of technical dive environments include fresh and saltwater caves, and the interiors of shipwrecks. In many cases, technical dives also include planned decompression scheduled out over a number of stages during a controlled ascent to the surface.
The depth-based definition is based on risk caused by the progressive impairment of mental competence with increasing partial pressure of respired nitrogen. Breathing air under pressure causes nitrogen narcosis that usually becomes a problem at depths of 100 feet (30 m) or greater, but this varies among divers. Increased depth also increases the partial pressure of oxygen, thereby increasing the risk of oxygen toxicity.
To reduce the risks, technical diving often includes the use of breathing mixtures other than air. The additional complexity of managing a variety of breathing mixtures introduces risks of another kind. Divers use equipment configuration and procedural training. To reduce nitrogen narcosis, it is common to use Trimix. Trimix uses helium to replace some of the nitrogen in the diver’s breathing mixture. Heliox, which contains no nitrogen, is another option.
Technical diving in Kauai takes advanced planning to provide the best experience for your trip to Hawaii.
With today’s technology, what used to be reserved for experts and serious technical divers is now readily accessible for the recreational diver as well. In a nutshell, rebreather diving, also called closed circuit diving, means no bubbles. This allows the diver to get even closer to the marine life without scaring them away. The result is an exponentially improved diving experience!
It’s especially great for shooting underwater videos or photos. We highly recommend trying rebreather diving in kauai, you’ll thank us later!
How does rebreather diving work? A rebreather recirculates the exhaled gas for re-use and does not discharge it immediately to the surrounding environment. The system retains the inert gas and unused oxygen. It then circulates through the system, and the rebreather adds gas to replace the consumed oxygen. The system forces the retained oxygen through a filtering system to remove the carbon dioxide. Thus, the gas in the rebreather’s circuit remains breathable requiring the diver to carry a fraction of the gas needed for an open-circuit system dive. Savings is proportional to the ambient pressure, and is greater for deeper dives. It is particularly significant for expensive mixtures containing helium when using them as the inert gas diluent. The rebreather adds gas to compensate for compression when depth increases. It also vents gas to prevent over-expansion when depth decreases.
Rebreather vs. Open-circuit Diving
The technical stuff… The main advantage of the rebreather over open-circuit breathing equipment is economical use of gas. With open-circuit scuba equipment, the diver expels the entire breath into the surrounding water during exhale. A breath inhaled from an open-circuit scuba system with cylinders filled with ordinary air is about 21% oxygen. A diver’s exhaled breath at atmospheric pressure has an oxygen level in the range of 15-16%. Only about 25% of the oxygen is available to utilize. The remaining 75% is lost. The diver on open-circuit scuba only uses about 5% of his cylinders’ contents. The remaining 79% of the breathing gas (mostly nitrogen) is inert.
At depth, the advantage of a rebreather is even more significant. The diver’s metabolic rate is independent of ambient pressure (i.e. depth). So even at greater depth, the oxygen consumption rate does not change. Carbon dioxide production does not change either since it also depends on the metabolic rate. The density of inhaled gas increases with pressure. The volume of a breath remains almost unchanged. As a result, with open circuit systems, the amount of gas consumed increases as depth increases.
Ready to start? Schedule your dive experience today! Or call (808) 652-2466.