Try flushing the toilet. If the water level rises, stop immediately. If it drains normally, success.
The rapid release of carbon dioxide gas creates fizzing and pressure. In a drain or toilet, this pressure can help dislodge minor blockages by agitating the clog and pushing it through the trap. how to unclog toilet with baking soda and vinegar
Measure out one to two cups of white vinegar. Pour the vinegar into the bowl. Do this slowly. As soon as the vinegar hits the baking soda, the reaction will begin, and the mixture will foam up aggressively. Pouring slowly prevents a volcanic overflow onto your floor. Try flushing the toilet