Aerobic and Anaerobic Digesters for Wet Wells, Lift Stations, Sewer Mains, Septic Systems, and Laterals. Treat Lagoons to reduce odors, sludge build-up, and improve clarification. Treat Pit Toilets To reduce odors, increase capacity and liquefy solids. NOTE: Discontinue the use of formaldehyde preservatives or disinfectants in these toilets.