Biological activity in septic tanks is easily thrown out of balance when excessive water, harmful detergents or other harmful chemicals enter the system. K-37 Septic Tank Treatment is specifically designed to restore the natural balance within septic tanks by promoting the efficient and rapid breakdown of solids, thereby reducing sludge and scum levels and resulting in reduced odors, less clogs and more efficient system operation. One quart treats a 500 gallon system. Effective septic system treatmentSpecialized bacteria formulation breaks down septic waste and including paperImportant maintenance product for your septic systemEasy to useTreats up to a 500 gallon tankPrevents clogging and build-up in septic tanks and leach fieldsCertified biodegradable by scientific certification systems