Featuring six-foot-high walls, modular, heavy-duty sludge tanks from ModuTank are available in various modular capacities from 50,000 to 2,000,000 gallons and higher. They are designed for rapid bolt-together assembly from galvanized panels and are anchored with support frames on concrete aprons, or on free-standing steel footing plates. No special construction skills are required for assembly. A full range of membrane liners assures compatibility with virtually all qualities of sludge and wastewater. Optional fittings for piping, as well as floating covers can be specified. ModuTank Inc.www.modutank.com