Small Round Water Tanks (500L-5000L)

Why Choose Round Water Tanks?

Round water tanks are a popular choice for water storage due to their cost-effectiveness, large capacity, and durability. Ideal for larger properties, rural areas, or spaces with ample room, they provide great value per litre and are designed to last.

At Rotoplas, we offer a wide range of round water tanks in sizes from 500 litres up to 22,700 litres, with over 20 colour options to suit your property. Whether you need a small rainwater tank or a large capacity tank for agricultural use, we’ve got you covered.

Why Choose Rotoplas?

Built to last: Our tanks feature self-supporting domed tops and strong corrugated walls for enhanced durability.

UV-resistant materials ensure long-lasting performance, even in harsh Australian conditions.

10-year manufacturer’s warranty provides peace of mind.

Easy installation: Fitted with a leaf strainer, a loose overflow, and 25mm BSP brass outlets for convenience.

You can view detailed fitting specs on each product page, or get in touch if you’d like help choosing the right tank for your setup.

Custom Colours & Quick Turnaround

We usually manufacture tanks to order based on your preferred colour, with a typical production time of 3–4 weeks. Some of our most popular sizes and colours are kept in stock — contact us to check current availability.