Unique Drain & Septic Liquid Septic System Digester 32 oz. (Pack of 12)Septic System Digester is a natural waste digester, developed to keep your septic tanks problem free and operating smoothly. By digesting and biodegrading all of the waste in your septic system, it will eliminate any need for pumping or a septic tank service. Save yourself the hassle and cost of pump outs and service by regularly using this effective and safe product to ensure that your septic tanks operate smoothly. You'll never have odors again.