The plumbing in Arthur’s century-old cottage was as stubborn as a mule. When the guest toilet finally succumbed to a deep, impenetrable clog, Arthur skipped the plunger and went straight for the "nuclear option" sitting in his shed: (sodium hydroxide).
Note: Always add the soda to the water, not the water to the soda, to prevent a violent chemical eruption. how to use caustic soda to clean toilet
Given the risks, consider these safer options first: The plumbing in Arthur’s century-old cottage was as