Description Product description A Highly Effective Powder sodium hydroxide based cleaner and dissolver for drains. Will Unclog, Clear, Clean and de-soil exterior drains. Can be used for Interior Shower & Basin drains. Will dissolve insoluble fatty matter that cause drain blocks. New Child-proof cap. - Product type: Strong sodium hydroxide flakes/powder. Product Features Granular powder drain cleaner. Use 1 spoon into the kitchen and bathroom drain. Use 2 cups in the outside drain. -!!! Use caution when handling - gloves and eye protection. - he product is Hazardous. -Keep out of reach of children. - Avoid contact with eyes. - Do not ingest. - First-aid measures: Inhalation - Remove to fresh air.