Complete rainwater solutions

Our rainwater products are designed to perform efficiently, offer value for money, blend in with your property and have little or no impact on your daily lifestyle.

Why Choose Us?

Proven Performance

Our rainwater solutions are the result of years of meticulous engineering and testing. We guarantee that our products are crafted to endure, ensuring optimum performance year after year.

Comprehensive Solutions

From inception to execution and beyond, Aquarius Watermaster offers end-to-end services. Our experienced team will work closely with you to design a system tailored to your specific needs.

Unmatched Quality

All our products are proudly made in Sydney, reflecting our commitment to delivering top-notch quality. By choosing Aquarius Watermaster, you’re investing in a reliable rainwater solution.

Expert Maintenance

Our commitment doesn’t end with installation. Aquarius Watermaster provides expert maintenance services to ensure that your rainwater system operates at peak efficiency throughout its lifespan.

Products & Services

Slimline Tanks

Low Profile Underdeck Tanks

Metal Tanks

Poly Underground Tanks

Graf Underground Tanks

Concrete Tanks

Round Tanks

Water Pumps and Covers


Water Filters


Tank Cleaning


Our Products & Services:

Aquarius Watermaster offers complete rainwater solutions:

We design, supply, install and maintain rainwater collection systems

Our products are time tested and made for the harsh Australian climate

We offer unique accessories that give greater flexibility

Our products are made here in Sydney.


Aquarius tanks featured on Grand Design Australia TV programme

Aquarius Watermaster was chosen to supply tanks for the Port Melbourne Urban Green Home. Featured on Grand Designs this home is clad in 34 black AQ2000L slimline rainwater tanks. These tanks will be used either as storage tanks or as planter boxes.

Eventually the facades of the building will be covered with an assortment of climbing and trailing plants, fed with water from the Aquarius tanks.

Latest design proven popular

The Aquarius 2000L Ultraslim is the latest tank in our range of slimline tanks and has already gained popularity due to its appearance and 470mm depth, the narrowest 2000L tank available.


Phone Us With Your Order:

1300 79 48 50


About Us

Aquarius Watermaster began delivering rainwater systems on Sydney’s leafy North Shore in 1999 with a simple, but cleverly designed 300 litre header tank.


Aquarius Launches Ultra 2000L Tank- Continuing our tradition of innovation, Aquarius is pleased to announce the release of their newest tank, the Ultra 2000.



Frequently Asked Questions