Co2 Aquarium Gas Cylinder Refills

What Do We Do?

As accredited service providers, National Hydro Cylinder Testing Services technicians are here to perform your Aquarium Gas Cylinder Refills and Testing in Adelaide.

We operate and manage an approved gas cylinder test station, number 720.
We are focusing and specialising in all aspects of Aquarium Gas Cylinder Refills and Tests.

With more than 35 years of experience, we can help you with your needs for Carbon Dioxide refills for Aquarium gas cylinders.

When you work with us, you can be assured you will receive high-quality service and care from our friendly technicians, who assist you with all your needs to help you with your Aquarium Gas Cylinder Requirements in Adelaide.

Are all Aquarium Gas Cylinders the Same

Our licensed cylinder test stations and capabilities allow us to test and refill all Carbon Dioxide gas cylinders.

Two various Carbon Dioxide Aquarium Gas cylinders are available for use with Home Aquariums.

  • Steel Cylinder
  • Seamless Aluminium Cylinder

Steel Aquarium Co2 Gas Cylinders

Steel cylinders are considered more robust and more durable than aluminium cylinders.  

Steel Co2 cylinders have a total heaver weight.
Steel Co2 cylinders do have the capacity to develop internal rust scaling.

Aluminium Aquarium Co2 Gas Cylinders

Aluminium is a softer material requiring thicker walls to contain pressurised gas.
Aluminium Carbon Dioxide cylinders also do not develop any internal rusting characteristics.
Aluminium Carbon Dioxide cylinders are generally 2 x times the cost price to purchase than steel cylinders.   

For all your Aquarium Gas Cylinder Testing & Refills in Adelaide.
Call us today on 1300 883 473 or
email us

Our Services

The Company offers various services to the Home Aquarium Community in Australia.

  • Co2 Bank Cylinder Refills
  • Co2 Aquarium Gas Cylinder Refills
  • Aquarium Gas Cylinder Valve Replacements & Repairs
  • Hydrostatic Pressure Testing

We can help if you have imported a gas cylinder from overseas and must meet compliances to refill it according to the Gas Cylinder Test Scheme.

Aquarium Co2 Gas Cylinders Out Of Date & Need A Test?