Our sewer cleaner contains sodium hypochlorite and lemon fruit extract. It can neutralize acidic substances， relax oils and fats， and help with cleaning. Highly efficient oxidation and decomposition， quickly clear sewer blockages. With its fresh fragrance， it removes odors， decomposes hard scale and creates a healthy pipe environment. Its usage method is very simple: 1. Pour an appropriate amount of powder into the clogged sewer and wait for 15 to 30 minutes for it to dissolve. 2. Rinse the drain pipe with hot water to remove the blockage. Special formula， quickly dissolves sewer blockages with remarkable effects. Using safe raw materials， it is harmless to sewers and suitable for various pipe materials.