Large Galvanised Steel Water Storage Tanks up to 1.2 Million Litres of Water Storage Capacity. Our corrugated steel water storage tanks are widely used in a range of agricultural, horticultural, aqua-cultural and industrial applications including rainwater harvesting, irrigation, hydroponics and holding / hatcheries for fish farming and for dust suppression. Steel Water Storage Tanks are a cost effective way of storing massive quantities of water and our galvanised steel tanks have a life expectancy of 30+ years. We offer EDPM Rubber liners or Butyl Rubber Liners, these strong durable liners can can be supplied to suit all sorts of liquids including potable water, chemicals and slurry.