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Enriched Air
This program is designed to provide sport divers with a safer breathing medium for enjoying dives from 40 ft. - 130 ft. |
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Advanced Nitrox
This program is designed to extend the diver's knowledge in the use of
EANx for Recreational diving. |
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Normoxic Trimix
This course is designed to train those who wish to dive to depths
between 130 fsw and 200 fsw on OC.
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Tri-Mix
This course is designed for those Individuals already involved in deep
diving activities. |
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Gas Blender
This course will teach you hands-on the proper way to partial blend
EANx. |
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Drager Rebreather
This course is designed to train divers in the safe use and Technology of the Drager Dolphin Semi-Closed Rebreather.
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Inspiration Rebreather
This course covers the use of an Inspiration fully-closed re-breather.
Students will learn all the theories of CCR and the safe practices
needed. |
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What Is Nitrox?
Nitrox is any combination of nitrogen and oxygen.
You have been breathing Nitrox since the day you were born.
The air that we breathe is comprised of approximately 21% oxygen and 79% nitrogen.
Nitrox mixtures with percentages of oxygen greater than 21% are called Enriched Air Nitrox (EANx).
The commonly used EANx mixtures are EAN 32 (32% oxygen / 68% nitrogen) and EAN 36 (36% oxygen / 64% nitrogen).
Who Uses EANx?
EANx was first used in 1912 and has been used extensively for over thirty years by commercial organizations and the military.
It has also been used in the medical field as a therapy gas.
Advanced level divers have been taking advantage of EANx for cave diving, wreck diving, marine harvest and many other diving applications.
More recently, EANx has been recognized by national scuba diving certification agencies as an alternate breathing gas for recreational diving.
Many divers mistakenly believe EANx is used only on deep dives.
Actually, the ideal range of EANx is between 40 feet and 130 feet, the standard recreational depths.
What About Oxygen Toxicity?
As a certified air diver, you were taught how to monitor your nitrogen intake by utilizing a set of dive tables.
The deeper the depth, the shorter the amount of allowable no-decompression bottom time available due to nitrogen accumulation.
The same principle applies to oxygen at deeper depth.
The greater the depth, the shorter the bottom time.
Oxygen toxicity (on air or Nitrox) usually comes into play deeper than at the standard recreational depths of 40-130 feet.
EANx dive tables provide a reliable, conservative, and easy way to dive between 40-130 feet, while taking advantage of EANx benefits.
What Are The Benefits Of EANx?
EANx diving has many advantages over air diving.
Some of the benefits are:
- EANx, when used with standard dive tables or computers, provides a tremendous safety factor. In fact, when utilized in this fashion, the actual nitrogen accumulation is that for a 10 to 20 feet (3 to 6 meter) shallower dive.
This application of EANx is ideal for divers who simply wish to be more conservative individuals who are not "as young as they once were" or those who may not be in the peak of physical fitness.
- A significant increase in bottom time no-decompression limits.
- A reduction of the possibility of decompression sickness.
- A slight reduction in nitrogen narcosis.
- A reduction of decompression time if the no-decompression limits are exceeded.
- Reduced fatigue after the dive (declared by many EANx divers).
