Available in powder form, offered is effective in reducing commissioning duration during waste treatment process. Offered powder is basically a type of bacteria which is required during waste water treatment process. Application of this culture during waste treatment process promotes fast concentration of mixed liquor suspended solid to speed up treatment process. This specially formulated BL Aerobic-Anaerobic Culture For ETP-STP significantly reduces COD and BOD of sewage and helps to minimize odor generation. Gray in color, this powder is effective in improving waste water treatment standard.