Clark Tanks are manufacturers of quality poly rain water tanks and farm products built to last in tough Australian conditions. Clark Tanks Queensland water tanks are made in Dalby, Darling Downs. Our water tanks are available in capacity from 1,000 litres (225 gallons) to 46,800 litres (10,000 gallons). Types include: · round water tanks · slimline water tanks · underground water tanks. We also produce industrial tanks for commercial and chemical storage and stock a range of tank pumps and accessories. We can even custom mould almost any polyethylene product that you desire. For reliable performance, endurance, style and value - you can count on Clark Tanks.