Unique Septic System Treatment & Cleaner 32 oz. (Pack of 12)Septic Field Rejuvenator is a specifically designed septic tank treatment that will be of great use. This septic cleaner helps rescue completely clogged and backed up septic fields. The ultra concentrated septic treatment has the highest number of bacteria available, making it stronger than any other septic product available. Before you spend thousands of dollars to dig up and replace your system, use one bottle of Septic Field Rejuvenator and save