: A standard flat "cup" plunger is for sinks. For toilets, you need a flange plunger (the one with the extra rubber flap at the bottom) to create an airtight seal.
: The clog might be past the toilet’s internal "P-trap" and deep in the drain line where a plunger's pressure can't reach.
When a plunger fails to clear a clog, it usually means one of two things: either the blockage is too solid or too deep for air pressure to dislodge, or there is a specific obstruction that requires a different mechanical approach. clogged toilet and plunger not working
A failed plunging session usually means the clog is too deep, too dense, or you’re using the wrong tool for the job. Here is how to handle a stubborn clog when the plunger just won't cut it. Why Your Plunger Might Be Failing
If you do not have an auger, but you have a Shop-Vac (a wet/dry vacuum), this can be a lifesaver. : A standard flat "cup" plunger is for sinks
In these instances, the clog is beyond the reach of DIY tools. It is time to call a licensed plumber who can run a camera or a heavy-duty snake through the main cleanout.
Pour the water from waist height directly into the drain to create extra pressure. When a plunger fails to clear a clog,
Wait 15–20 minutes to allow the soap to penetrate. 2. The Baking Soda and Vinegar "Volcano"