SSI Gas Blender

SSI Gas Blender $395

Do you want to fill more than just air?

Correctly mixing gasses is essential to being able to breathe safely underwater. The SSI Gas Blender program teaches you the skills and concepts required to safely blend nitrox and helium-based trimix gases. 


This non-diving program is open to certified and uncertified divers and teaches proper usage of mathematics, gas blending software, physics, and techniques required to blend breathing gases safely. Upon completing this program, you will earn either the SSI Nitrox Gas Blender or SSI Trimix Gas Blender certification. 

Get started online today!

All dive cylinders filled in New Zealand require the filler to hold WorkSafe NZ approved certification in accordance with the Hazardous Substances Compressed Gas Regulations.

Failure to comply with this legislation could incur heavy penalties.

WorkSafe NZ regulations apply to all compressor operators and includes compressors on vessels working within the territorial waters of New Zealand. Air Purity Limited have a test certifier qualified to issue approved air filler test certificates. Certification is valid for a period of five years.
Air filler certification must be displayed at all times.

What to expect on your course

The online study takes about 4 hours.  You will then attend a workshop at Dive Now that  will take about 4 hours to complete.  At the end there is a short exam and practical application to complete.

We will go through the course materials and expand on the theory, using the formulas in the study materials and modern software to calculate the gas blending.

On Site we will look at the different blending methods and put them to use. 

At Dive Now, there are two compressors, gas booster for partial pressure blending and a storage system on site to review and use.

We will navigate the Worksafe website for reference to cylinder gas traffic.

  • A minimum age of 18 years applies.  

A minimum of 1 students are required for this course to run – There is no maximum numbers.

Opening Hours | Mon-Fri 8.30-5.00pm  | Saturday 8.30 – 1pm | Sundays Closed

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