As a leading wastewater treatment plant design company, WeDoTanks.com has experience in the engineering design, build and installation of wastewater treatment plants, whether concrete, precast concrete or steel. We also offer our unique Treatment, Optimization and Design software for activated sludge and other types of waste water treatment plants. As part of our service we also a special "Build Your Own" section that's let's you purchase the equipment needed in a plant. With each plant, we include a FREE copy of our software "SassproV2". SASSProV2 is the latest release of the popular SASSPro series, used by leading engineering firms, municipal authorities, environmental agencies and training organizations. SASSProV2′s design, ease of use and low cost sets anew benchmark in wastewater process software. Includes over 150 pages of training material on activated sludge technology – covering principles of operation, process characteristics, stoichiometry of biological reactions, nitrification, denitrification, phosphorus removal, secondary settler operation and process equations.