Order today and receive 7.5% off the price of your Oasis Tank!

Valid until 31 July 2021 / Discount on Tank Price Only

Oasis Tanks PTY LTD

A subsidiary of Rainbow Reservoirs PTY LTD, trusted manufacturer and installer worldwide of premium quality water storage tanks (since 2003).

Oasis Water Tanks

Quality Products

The Oasis Tanks brand is synonymous with quality products, exceptional service and the outstanding reputation for which the Rainbow Reservoirs Pty Ltd Group is renowned.

Decades of Experience

Oasis Tanks products are the culmination of decades of experience, expertise and continual improvement in the manufacture of tried-and-tested, sectional steel water tanks.


Each Aluzinc steel water storage tank is pre-fabricated in our factory. Our cutting edge, hi-tech machines and equipment de-coil, corrugate, form, profile, curve and precision-punch each individual sheet, ensuring easy, flawless installation in the field.

Durable and Reliable

We build Oasis Water Tanks that are durable and reliable, ensuring your peace of mind in affordable water storage for years to come.