Formula oxide-3 dissolves hair fast. Loosens clogging food stuffs and other organic matter. Pour through standing water-no need to remove water in sink. Won't harm disposers, pipes, porcelain or septic tanks. 32 oz. Container Size (Oz.): 32 Chemical Form: Liquid Commercial / Residential: Residential For Septic Use: Yes Set Time (Min.): 15 Type of Issue: Drain Prevention Formula: Yes Number of treatments per container: 2 Compatible Pipe Material: Multi-Purpose Drain Cleaners Type: Bathtub, Sink