You will need:
– baking soda
– white vinegar
– hot water
What to do?
1/ Pour baking soda into your toilet (about 200g).
2/ Add the same quantity of salt and then 1/2 a bottle of white vinegar;Be careful the mixture of baking soda and vinegar may foam!
3/ Allow the mixture to react for 30 minutes or even for the entire night depending on the obstruction.
4/ Pour 1L of boiling water into your toilet.