If a plunger fails, use a toilet auger to reach deeper into the S-trap.
If the water in the tank never stops running and eventually overflows into the bowl (and then the floor), your fill valve is likely the culprit. How To Fix An Overflowing Toilet - Ace Hardware Jade Evo E54 03 Over Flooding Toilet Poopingl
For organic clogs, pouring a generous amount of liquid dish soap followed by hot (not boiling) water can help lubricate the blockage and clear it naturally. 2. Faulty Fill Valve If a plunger fails, use a toilet auger
Immediately reach behind the toilet and turn the shut-off valve clockwise until it stops. If a plunger fails
Heavy waste or excessive toilet paper can create a blockage in the trap.