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Hollis

Advanced Nitrox

Here we learn to use up to 100% oxygen.  This is a course that follows the Nitrox course.  This is the first step to getting into Technical diving.

This theory portion of this course is 8 hours and four dives.  In this course you will also have the chance to learn to use twin set tanks (double tanks) and you will learn many advanced skills in the water.

 

Decompression Procedures

As a technical diver we want to extend our bottom time.  The decompression procedures course will train us on how to do decompression dives safely.  We will take an advanced look at the theories of different gases and also take a new perspective on equipment.  We will learn about new equipments for use with technical diving and also learn important information about the usage of these items.

The theory portion of this course is 8 hours and four dives.

 

Extended Range

In this course we will learn to dive deeper using air and we will learn what our limits are.  We will dive with twin set tanks and also two stage tanks.  This course also includes rescue for technical diving.

The theory portion is 10 hours and has four dives.

 

Helitrox

This course we learn the basic use of Helium.  We will learn the benefits of Helium in this course with regard to narcosis.  With this course the percentage of Oxygen never falls below 21%.  

The theory portion of this course is eight hours and four dives.  The dives are done with twin sets and stage tanks.

 

Trimix

Here will learn to use Trimix for dives deeper than 60m.  Some dives are with a Normoxic mix (no less than 16% oxygen) and some are hypoxic (less than 16% oxygen).  Maximum depth of training is 90m.

This course has twelve hours of theory and four dives with twin sets and stages.

Advanced Wreck

Here will learn wreck penetrations.  We will test our psychological limits with regard to an overhead environment.  We will enter a wreck using special equipment including reels, dive lights and more. 

This course has ten hours of theory and 4 dives.    

Nitrox Blending

In this course a compressor user will learn how to make different Nitrox mixtures using all the different methods of blending.

This course has eight hours of theory and a two practical sessions.

 

Trimix Blending

During this course a gas blender will learn Trimix blending in the different methods available.

This course has six hours of theory and two practical sessions.