About the Product Our effervescent drain cleaner (boxed) contains sodium hydroxide and aluminum powder. It effectively unclogs drains and quickly dissolves tougher drain debris like hair and grease. How to use it is simple: Dissolve the effervescent drain cleaner in a basin of warm water. If your sink is clogged, drain the remaining water first, then pour the solution into the pipe. Wait 15 minutes for the dirt to dissolve, then rinse with plenty of hot water. It automatically breaks down stains that cling to pipes, preventing odors and clearing pipes, removing even the most stubborn clogs. Product Name: Pipe Unclogging Agent Effervescent Tablets (Boxed) Product Ingredients: Sodium Hydroxide, Aluminum Powder Keywords: Drain Blockage Unclogging Agent Weight: 124.6g Product Specifications: 100g Product Size: 4*4.5cm Note: Light reflection and different monitors may cause the color of the product in the picture to be slightly different from the actual product. Minor errors are allowed in the measurement.