Why Aqua Tanks®

Why choose an Aqua Tank?

With polyethylene tanks from 295 litres to 31,000 litres, we offer the largest range of water storage tanks in New Zealand. Aqua Tanks® is also the highest accredited polyethylene water tank manufacturer in New Zealand giving you complete peace of mind. Aqua Tanks® take pride in offering the highest quality water tanks at a price you can afford.

How much water can you catch?

Every m2 of roof = 1 litre of water for every 1mm of rain. Multiply your total m2 of roof area by your average annual rainfall and you will have the total potential annual catchment. It's amazing how much water goes down the drain!

Aqua Tank Features

  • 10 year warranty
  • Environmentally friendly material
  • Polyethylene minimises algae growth
  • Wide colour range to blend in with the immediate environment.
  • UV resistant material
  • Non toxic food grade (FDA approved)
  • The only tank fully ribbed and domed for proven strength

Affordable Tank Pricing

At Aqua Tanks® we strive to provide you the Customer with the highest quality Water Tank available. Our Tank Sales staff offers competitive pricing on all of our products. Our Customer Service Team at Aqua Tanks® can assist you choose which tank may be best suited for your needs or location as well as your budget. We will take time to learn more about your needs, and will provide you with a highly competitive price for your tank. Our tank price is shown besides each model of tank on our website. Purchasing a quality tank from Aqua Tanks® is an investment that will help you save money in reduced water bills for many years to come.


Comprehensive installation instructions are provided by us at the time of delivery.


We can arrange delivery of your Aqua Tank anywhere in the North Island generally within 7 working days from the date of order.

New Zealand Standard

All of our tanks are manufactured to the relevant standard for water storage tanks AS/NZS 4766:2006.

Each tank is manufactured using the highest grade of raw material (polyethylene) all ISO9001 Certified and with our computerised internal temperature and internal  water cooling control, each tank is cooked and cooled to perfection. Each tank has its own computer recorded DNA, which  provides a complete record of its cooking and cooling process during the manufacturing phase of production in our tank factory. Then after cooling the wall thickness of each tank is measured carefully and recorded making a fine Aqua Tank. Each Aqua Tank has a cut-out sample taken and impact tested to minus 40Deg.C.

Each Aqua Tank is manufactured under the Independent Certification of ISO9001, ISO14001 and Eco Smart Warranty programme.

This External and Independent Audit and Certification and Independent Approval Mark, is your Assurance,  as our valued Customer that your Aqua Tank is Independently Certified  to the AS/NZS 4766: 2006 Polyethylene Storage Tank Standard  for Water and Chemicals storage offering you highest quality Tank for long serve life and peace of mind.


All Aqua Tanks® (AQ range) come with a pro-rata warranty which warrants the tank against any defects in material.


ECO Warranty

At Galloway International Ltd and Aqua Tanks® you can be assured of our commitment to the Environment. We are ECO Warranty Certified and ISO 14001 certified the highest Certification for a business in its commitment to the environment