Almost 90% of the wastewater is treated with the help of biological treatment. Process based on microorganisums is very fragile and can be affected by change in weather conditions, short term peak loads, composition, temperature, pH and other perameters. Main chalange in the process of problem solving is to identifying the problem. Critical thinking skills and hands on experince is the key to identify and gauage the problem. Both the directors of Aquaener has hands on experince of working on domestics and various comercial wastewater treatment plants.