Our best RID-X 24 fluid ounces liquid formula *based on a 21 Month study vs. RID-X Powder 2x more waste reduction for less tank build up *based on a 21 Month study vs. RID-X Powder Breaks apart septic waste: RID-X is specifically formulated to break apart toilet paper, grease and waste that clog the septic tank Easy to use: Just add to toilet or sink drain and flush! Helps to prevent septic backups, Along with occasional pumping