Our drain clog removal tablets contain baking soda， lemon extract， and sodium hypochlorite. It can effectively decompose， remove odor， prevent blockage， quickly clean up pipeline blockage， and clean up hair， thread， garbage and other debris that clog the pipeline within 30 minutes， and remove odor. Its use is very simple: open the package， put the effervescent tablet into the drain; Add 0.5 liters of hot water to the drain pipe; 3. Wait 10-15 minutes for the effervescent tablets to dissolve， then rinse with plenty of water. The drain clogging removal sheet gently dissolves impurities such as oil and sebum in the pipe to reduce clogging and will not cause damage to the drainage pipe. When operating， it will not react violently with hot water， nor will it splash liquid， so it can be used with confidence.