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).
Never Mix Chemicals: Never use caustic soda if you have recently poured other cleaners (like bleach or acidic descalers) into the toilet. Mixing chemicals can create toxic chlorine gas. how to use caustic soda to clean toilet
Pipe Material: Do not use caustic soda if you have thin plastic pipes or an older lead plumbing system, as the heat can warp or damage them. It is generally safe for PVC and ceramic. The plumbing in Arthur’s century-old cottage was as
Pour and WaitCarefully pour the mixture into the toilet bowl. Avoid splashing. Let the solution sit for 20 to 30 minutes. During this time, you may hear fizzing or see some bubbles; this means the chemical is working to dissolve the obstruction. Mixing chemicals can create toxic chlorine gas