Almost every home has at least one toilet that gets used many times a day — so it’s no surprise that toilet clogs are among the most common plumbing problems homeowners face. The good news is that most toilet stoppages happen in the toilet’s trap or nearby drain line and can be cleared quickly using basic tools. Using the right unclogging method can save you a service call and prevent the panic (and cleanup) that comes with an overflowing toilet.
Start by confirming that a clog is present, then follow the step-by-step methods below to clear it safely.
Quick Answer
Most toilet clogs can be cleared by using a flange plunger to force out the clog. If plunging fails, a toilet auger usually removes deeper obstructions.
Common Signs of a Toilet Clog
If you’re not sure whether or not your toilet is clogged, look for these signs:
- Bowl fills high when flushed
- Water drains slowly
- Gurgling sounds
- Toilet won’t flush fully
- Recurring blockages
Likely Causes
Here are the most common reasons for a clogged toilet:
- Excess toilet paper
- Non-flushable wipes
- Foreign objects
- Mineral buildup
- Low-flow toilet limitations
- Drain line obstructions
Tools & Materials
When clearing a clogged toilet, you’ll probably need:
- Toilet plunger (flange type)
- Toilet auger (closet auger)
- Rubber gloves
- Bucket
- Towels
Avoid using chemical drain cleaners — they can damage porcelain and pipes.
Step-by-Step Unclogging Methods
Stop the water flow if the bowl is rising
Remove the tank lid and close the flapper to prevent overflow. If necessary, turn off the water supply valve (clockwise) behind the base of the toilet.
Use the correct type of plunger
A flange plunger seals better than a flat plunger. Place plunger over drain opening and push firmly.
Plunge with controlled force
Use steady thrusts, not violent pumping, to build pressure that will dislodge the clog. Avoid aggressive plunging, which can force water past the wax seal and cause leaks at the toilet base.
Test the flush carefully
If water drains when you plunge, flush once to confirm that it’s clear of the clog.
Use a toilet auger if needed
If plunging doesn’t work, you’ll probably need to escalate to a toilet auger. Insert auger cable into the drain, rotating the handle to break or retrieve obstruction.
Retrieve any foreign objects
Augers often hook toys, wipes, or debris. Remove the auger cable carefully, keeping old rags on hand to help avoid making a mess.
When the Clog Is Deeper in the Line
If using a toilet auger fails, the blockage may exist in:
- Branch drain line
- Main sewer line
Symptoms include:
Backups at multiple fixtures
Sewer odors
Slow drains elsewhere
Call a plumber in these cases.
Preventing Future Toilet Clogs
To minimize future clogs:
- Use less toilet paper per flush
- Avoid wipes (even “flushable” ones)
- Install a low-flow assist toilet if the problem is recurring
- Educate children on proper use
To Hire a Plumber…
If the repair turns out to be more complicated than expected, you can always find a qualified plumber near you.
For hiring advice, see Trade Secrets for Hiring the Right Plumber.
Related Articles
- Toilet Keeps Clogging
- Why a Toilet Gurgles When Flushed and How to Fix It
- Sewer Line Blockages: Signs, Causes, and What to Do
If you’re not sure what’s causing the problem, see our
Toilet Repair and Troubleshooting Guide for a complete diagnostic overview.
Also see: Main Drain Clog Symptoms
