If your toilet is clogged and smells bad, use salt. To do this, simply pour a glass of salt into the bowl, leave on for a few minutes and flush.
To maintain your toilet and prevent it from becoming clogged, pour once a month, a tablespoon of salt into the bowl with boiling water. Leave on for 15 minutes and flush.
Moreover, boiling water is also effective for unclogging the toilet pipe, provided that the plug is not very important.
You can pour a bucket of boiling water into the bowl, or heat half a liter of white vinegar with a liter of water to optimize the result.
Pour your mixture into the bowl and leave on for 30 minutes.
Note that you can use the salt itself to unclog the pipes in the kitchen sink or bathroom sinks.