: If a blockage is severe enough to consider using caustic chemicals, it is often safer and more cost-effective in the long run to contact a licensed plumber to clear the line professionally. What Chemical Dissolves Toilet Paper? | Sydney Plumber
Also known as or by its chemical formula NaOH , caustic soda is a powerful base. It works through a process called saponification , where it reacts with fats and oils to turn them into soap, making them water-soluble and easier to wash away. How to Use Caustic Soda for a Blocked Toilet caustic soda toilet