Modular jumbo tanks are a heavy-duty solution for rainwater storage. They can hold a water capacity of 2500 to 5000 litres. This is ideal for commercial and large-scale industrial properties such as mining sites. As specialists in modular tank manufacture, Betta Tanks can custom-make bigger sizes on request. Our steel tanks can handle high internal pressure and external stress with ease. Our modular jumbo tanks come with a warranty of 25 years, guaranteeing peace of mind.