Our pipe defrosting tablets contain sodium hydroxide, aluminum powder and sodium hypochlorite. It can effectively break down grease and dirt and improve cleaning efficiency. It softens the water and removes the blocking effect of metal ions. It AIDS physical diffusion by releasing carbon dioxide and promotes the loosening of dirt in the pipes. Its use method is very simple: 1. Dissolve this product in a warm water basin. 2. If the sink is clogged, drain the water before pouring the solution into the tube. 3. Wait 15 minutes for the dirt to dissolve, then rinse with plenty of hot water. Special formula, quickly dissolve grease and clogging, the effect is remarkable. The use of safe raw materials, harmless to pipelines, suitable for all kinds of pipelines.