Method 2: You can first put the baking soda and white vinegar in a spray bottle:
You can also pour the white vinegar into a spray bottle first. The main reason why this will work better than dumping it in the toilet bowl is because you save money.
Additionally, you can use more of the cleaning solution on areas that need more attention. You can soak the vinegar in the toilet for as long as you like, depending on how nasty it is.
You can also place the bottle next to the toilet and use it regularly for maintenance. This is therefore a more professional method of cleaning the toilet.