Caustic Soda For Cleaning Drains [portable] Jun 2026

If the clog is complete (standing water), mechanical removal is safer than pouring caustic soda.

Put on your gloves and goggles. Pour 3 liters of cold water into a bucket. Slowly add 3 cups (approx. 750ml) of caustic soda crystals to the water. caustic soda for cleaning drains