The premium formula to contain your septic, and break down waste and odors. One hundred percent biodegradable, this formula is safe to use, and smells amazingly fresh for up to seven days. 8- 4 oz bottles complex that will digest waste, tissue, fats and proteins and only activates in the presence of material requiring digestion Contains a buffering agent to prevent acid formation and septic odors 2 ounces treats 40 gallons