Norweco 1.9 Lb. Septic Tank Treatment

Blue Crystal chlorine tablets are specifically manufactured for residential septic usage. Each tablet contains a minimum of 70% chlorine with a dosing rate of 21 ppm. The 1.9 lb. pail has 6 environmentally safe 2-5/8" tablets that meet USEPA (U.S. Environmental Protection Agency) requirements for waste water disinfection. They can be utilized in any aerobic septic system.