malfunction or in newer tanks where chemical use has caused premature build-up. Sensor Power will safely & effectively clean sensors, tank walls, valves & piping in black & gray tanks. It... & is environmentally friendly. How Sensor Power Works: Bacteria are the key to success. Most level gauge cleaners consist of some combination of enzymes & detergents or soaps. As a non-living... almost all cases, a high quality bacterial enzyme solution will outperform chemically based cleaners for a given application and it will do so safely." Find outmore . . . Copyright 2009 OP Products, Inc. ...