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A plunger can easily clear most toilet clogs, as long as it's the right type. Here's how to do it the right way, according to experts. Cast Iron Pipes And Fittings
You often hear plumbers claim a plunger can clear 95% to 99% of toilet clogs. That may be a bit optimistic, but a plunger definitely works most of the time. I would say it’s the first tool you should reach for when your toilet backs up.
Art Dann, who owns a construction company in California, doesn’t necessarily agree. He managed many multiple-family dwellings over the years and resolved countless minor plumbing problems, like clogged toilets. “I have a plunger,” he says. “But I also have a toilet auger, and I use it more often.”
I also consulted with Mark McShane, who delivers training courses for plumbers and gas engineers in the United Kingdom. His advice, together with tips I’ve learned through my experience, may give folks like Dann more respect for this must-have plumbing tool.
“There are two types of plungers: the dome plunger and the flange plunger,” says McShane. “The first one is perfect for flat surfaces [sink, bathtub, etc.], whereas the latter is suitable for toilets due to its extended rubber flap.”
You need a flange plunger for a toilet. It’s usually shaped like a bell or bellows, with a cup that terminates in a tapered opening that fits inside the toilet’s waste inlet.
If the toilet drains slowly, there’s a partial clog. It might be due to a buildup of solids in the waste line or sewer. But if flushing has been sluggish for a while, it could be a systemic problem, like tree roots in the sewer pipe or a blocked vent.
You may improve flow by plunging. But if the problem persists, call a professional drain service for a more permanent fix.
Mark McShane completed a four-year Level 3 plumbing and heating apprenticeship at Glasgow Clyde College. He’s the managing director for Skills Training Group, which provides training courses for plumbers and gas engineers.
Art Dann, the semi-retired owner of Dann Construction in Santa Cruz, California, has managed multi-family dwellings.
When a stubborn clog won’t move despite your best efforts, McShane advises blocking any overflow outlets in the bathroom where air can escape.
What if your toilet won’t unclog with a plunger?
When plunging fails, use a toilet auger, as Dann does. If that doesn’t work, you may have to remove the toilet and manually clear the clog from the base or the waste opening.
If the clog is farther down in the waste line, you should reach it with a sewer auger inserted through the waste opening or through a clean out fitting in the waste line. If you need to dig deep into the waste line, it’s probably time to call a pro.
Do you plunge a toilet while it’s flushing?
You can plunge while the bowl is filling, but you’re risking a messy overflow. Wait until the flush is complete before you start plunging.
Does Drano or something similar work on a clogged toilet?
No. Putting a caustic drain cleaner like Drano in your toilet is dangerous and probably won’t work. And don’t take our word for it — even the Drano website recommends plunging to clear clogs.
You can, however, use a product like Drano Max Buildup Remover to prevent clogs from forming in the first place. And you should always keep the toilet lid closed to prevent solid objects from falling in.
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