The plunger isn't working.
Now what?

Most failed plunging is one of three things: the wrong tool, a broken seal, or pushing when you should be pulling. Worth ruling those out before you spend money.

Updated July 2026 · 6 min read

First: is it the right plunger?

This single mistake accounts for an enormous share of failed attempts.

If yours is the flat kind, you're not going to clear a toilet with it no matter how hard you work. A flange plunger costs about fifteen dollars.

Second: the technique most people get backwards

1. Get the water level to about half a bowl. Too empty and you're compressing air, which does nothing. Too full and you'll splash. Add or bail as needed.
2. Seat the flange into the outlet and let the cup settle over it.
3. Push down slowly the first time. This expels trapped air and forms the seal. A hard first push just blows air back past the rim and soaks you.
4. Now pull up sharply. This is the stroke that does the work. Suction pulls the clog back toward you and breaks it up. Most people push hard and lift gently, which is exactly the wrong way round.
5. Six to eight strokes, keeping the seal. Then lift off and see if it drains.

Third: is anything blocking the seal?

Old, hard, cracked rubber won't seal. Nor will a plunger that's been stored somewhere cold and gone stiff. Run it under hot water for a minute to soften it before use.

If correct technique still fails

At that point you're dealing with one of three things, and none of them are plunger problems:

A solid object

A toy, a toothbrush, a phone. Plunging can wedge these tighter or push them into the trap where they're much harder to retrieve. If you suspect an object went in, stop plunging — you're making the eventual job worse and more expensive.

A clog beyond the trap

A plunger only affects the first few inches. A blockage further along the branch line needs a toilet auger (closet auger) or a drain snake, and a toilet auger used carelessly will scratch or crack the porcelain glaze.

A main line blockage

If other fixtures are also slow, gurgling, or backing up, the toilet was never the problem. See what it means when water comes up in the shower.

What about chemical drain cleaner?

The honest cost calculation

A closet auger costs roughly $25 to $40 and will clear most clogs a plunger can't — if you're comfortable using one and it's a one-off. A service call typically runs $150 to $300 for a straightforward clearance.

Buying the tool makes sense if this is the first time. It makes much less sense if it's the third time this year, because repeat blockages usually mean something structural downstream that a tool in your hand isn't going to fix.