📌 Please note that the 5% discount is applicable to the tank price only and does not apply to installation, transport, or fittings. Valid for orders placed on/before 31 August 2025.
Reliable Bulk Water Storage Solutions for Agriculture, Industry, and Fire Protection.
When you shop water tanks in South Africa, durability and local climate resilience are non-negotiable. Rainbow Reservoirs provides world-class, modular steel tanks engineered with Aluzinc® coated steel, offering a lifespan of over 40 years.
Our solutions cater to high-capacity needs with a focus on structural integrity. We specialize in circular sectional tanks that distribute liquid pressure evenly, ensuring safety and longevity for every installation.
Our flagship range. These modular, bolted steel tanks are the gold standard for agricultural and industrial water storage. The round design ensures maximum structural integrity and even pressure distribution.
Ensure your premises meet South African fire safety standards. We supply and install high-capacity fire-fighting reservoirs designed for immediate reliability during emergencies.
In South Africa, water security is more critical than ever. Whether you are looking for a commercial rainwater harvesting system or a mining reservoir, our sectional steel tanks offer a superior alternative to plastic. Unlike poly tanks, our steel reservoirs are UV-resistant, fire-resistant, and can be easily relocated if your site requirements change.
From Cape Town to Limpopo, we handle the logistics and assembly. Our "flat-pack" design allows us to transport high-capacity tanks to remote locations where traditional concrete or pre-assembled tanks cannot go. When you choose to shop with Rainbow Reservoirs, you are investing in a lifetime of water security.
