Before introducing any tools or chemicals, exploit simple physics.
Do not use chemical cleaners in a completely blocked toilet. The corrosive liquid will sit in the bowl, unable to reach the clog, and will attack the wax ring seal beneath the toilet, leading to a slow leak and floor rot. unclog toilet drain
Dish soap, a bucket/pot, and hot water.
If you have tried all three methods and the water still isn't draining, or if you suspect a foreign object (like a toy or a toothbrush) fell in, it’s time to call a plumber. Pushing a hard object further down the pipe can turn a simple clog into an expensive main-line repair. Before introducing any tools or chemicals, exploit simple