The short answer
What is toilet snaking?
Toilet snaking is the clearing of a blockage in or just beyond a toilet using a closet auger, a short, rigid snake made for this one fixture. The auger has a steel shaft, a crank handle and about three to six feet of cable ending in a coiled head. A rubber or plastic sleeve covers the bend so the metal never touches the bowl.
A toilet needs its own tool because of how it is built. Inside the porcelain is the trapway, an S-shaped passage that holds the water seal. It is the narrowest point in the whole drain system, usually around two inches, and it turns sharply twice. Anything that cannot make those turns stays there.
An ordinary drain cable is the wrong choice. It whips around inside the bowl, chips the glaze and often doubles back on itself. The closet auger is shaped to follow the trapway exactly. If the blockage is further down, in the closet bend or the branch under the floor, the toilet is lifted off and a longer cable is run from the open flange.
Method
How does a closet auger clear a toilet?
The technician first checks the water level and, if the bowl is full, bails it down so nothing spills. The auger is set with its sleeve resting in the outlet at the bottom of the bowl and the cable fully drawn up into the shaft.
Cranking the handle while pressing down sends the cable around the first bend. The feel tells the story. A soft clog of paper gives way and the water drops at once. A hard object clicks against the head and resists. The cable is advanced to its full length, rotated, and pulled back with the crank still turning so that anything hooked comes with it.
Two or three passes are normal. Between them the technician pours a bucket of water into the bowl to see how it clears. A bucket test is better than a flush at this stage because it cannot overflow the bowl if the trapway is still blocked.
When the auger runs its full length and the bowl still will not clear, the obstruction is past the toilet. The water supply is shut off, the tank and bowl are emptied, the two closet bolts are undone and the toilet is lifted from the floor. That exposes the 3 or 4 inch drain opening, and a drum machine can be run straight down the line. A toilet that has been lifted must go back on a new wax ring, never the old one.
Pro tipIf a child's toy, a toothbrush or an air freshener clip went into the bowl, say so at the start. Hard objects should be retrieved, not pushed. Driving one into the drain line turns a ten-minute job into pulling the toilet.
Symptoms
What are the warning signs of a toilet clog?
Toilets give warnings before they overflow. Any of these eight means the passage is partly blocked.
- The bowl fills high before draining. Water is entering faster than the narrowed trapway can pass it.
- A weak, lazy flush. There is not enough siphon action because the outlet is restricted.
- You need to flush twice. The first flush leaves waste behind, a sign of poor flow through the trapway.
- The water level in the bowl is low afterwards. A partial blockage can wick or siphon water out of the bowl.
- Gurgling from the bowl. Air is being pulled through the water seal by a restriction further down the line.
- Bubbles when a sink or tub drains nearby. The shared drain is slow and is pushing air back through the toilet.
- Water seeping at the base. A backed-up line can force water past the wax ring onto the floor.
- Plunging works only for one flush. The object is rocking in place and reseating itself each time.
Root causes
What causes toilets to clog?
The most common cause is material that looks flushable and is not. Wipes of every kind, including those sold as flushable, stay intact in water. So do paper towels, facial tissue, cotton pads, dental floss and hygiene products. They fold over one another in the trapway and form a dense plug that paper then packs against.
Too much toilet paper at once will do the same, especially thick multi-ply paper in a low-flow toilet. Early water-saving models from the 1990s are known for weak flushes that move waste out of the bowl but not far down the pipe.
Foreign objects account for the stubborn cases. Small toys, combs, razors, bottle caps, phones and deodorizer cages lodge at the top of the trapway where it narrows. They let water through for a while and collect paper around them.
Sometimes the toilet is only the messenger. Mineral scale can close the rim jets and siphon jet so the flush loses power. A blocked roof vent slows every flush. And a clog in the branch or the building sewer shows up first at the toilet because it sends the largest volume of water down the drain at once. In older Huntington Park homes with cast iron under the floor, rough pipe below the flange snags paper within inches of the toilet.
Before you call
What should you check before calling?
Before you call, a few sensible steps can settle a simple clog or at least prevent a flood.
- If the bowl is rising, lift the tank lid and push the flapper down to stop the flow, then turn the supply valve behind the toilet clockwise.
- Do not flush again to see whether it clears. Each flush adds a full tank of water to a bowl with nowhere to send it.
- Use a flange plunger, the kind with a narrow extension, and make sure it is covered by water. Push gently first to seal, then pump firmly.
- Check the other toilet, the tub and the sinks. If they are affected too, plunging one toilet will not help.
- Put old towels around the base and keep the lid down until help arrives.
WarningDo not use chemical drain cleaner in a toilet. It sinks into the trapway and sits there, heats up as it reacts and can crack the porcelain. It also leaves the bowl full of caustic water that splashes when anyone plunges or augers.
Step by step
What does a toilet snaking visit involve?
A toilet call follows a predictable sequence. The provider may skip the later steps if the first ones solve it.
- 1
Assess the situation
The technician asks what was flushed, how long the toilet has been slow and whether other fixtures are involved.
- 2
Agree the price
You are told the charge for augering the toilet and the additional charge if it has to be pulled. Get both figures up front.
- 3
Protect the floor
Towels or a drop cloth go around the base and the bowl level is lowered if it is near the rim.
- 4
Run the closet auger
The auger is worked through the trapway two or three times and anything hooked is drawn out.
- 5
Bucket test and flush test
A bucket of water confirms the passage is open, followed by several full flushes with paper.
- 6
Pull the toilet if needed
If the blockage is below, the toilet is removed, the line is cabled from the flange and the toilet is reset on a new wax ring.
- 7
Check for leaks
The supply connection and the base are inspected after refilling, and the toilet is tested once more.
Pricing drivers
What affects the cost of snaking a toilet?
Providers price toilet work in their own way. These are the factors that move it.
| Factor | How it changes the job |
|---|---|
| Auger only or toilet pulled | Clearing through the bowl is the simple case. Removing and resetting the toilet adds labor and a new wax ring. |
| What is stuck | Paper clears quickly. A solid object may need retrieval tools or removal of the toilet to get at it. |
| Location of the blockage | A clog in the trapway is minutes of work. One in the branch line needs a larger machine. |
| Condition of the toilet and flange | Corroded bolts, a cracked flange or a rocking bowl must be dealt with before the toilet can be reset properly. |
| Number of toilets affected | Two toilets backing up together usually means a main line job, which is priced differently. |
Urgency
When is a clogged toilet an emergency?
A clogged toilet is an emergency when it is the only one in the home, when it is overflowing and will not stop, or when the water coming up is not clean. Shut the supply valve first. That stops fresh water entering the tank and bowl.
It is also urgent if flushing causes water to rise in a shower or tub, or if a ground-floor toilet bubbles when someone upstairs uses water. Those are signs of a blocked sewer, covered under emergency drain snaking.
Questions
Toilet snaking FAQs
What is the difference between a closet auger and a drain snake?
A closet auger is a short, rigid tool with a protective sleeve, shaped to pass through a toilet's trapway without scratching it. A drain snake is a longer flexible cable for sinks, tubs and pipes. Each is used where it fits.
Can I snake a toilet myself?
A closet auger is a reasonable tool for a homeowner on a simple paper clog. Stop if you feel a hard object, if the auger runs fully and nothing changes, or if other fixtures are backing up.
Why does my toilet keep clogging?
Repeat clogs usually come from a partial obstruction left in the trapway, a weak flush caused by scaled-up jets, or rough or sagging pipe below the floor. A technician can tell which by how the auger and the flush test behave.
Are flushable wipes safe to flush?
No. They leave the bowl, which is all the label really means, but they do not break down in the pipe. They are among the most common items pulled out of blocked toilets and sewer lines.
Does pulling the toilet damage the floor?
Not when it is done properly. The toilet is unbolted and lifted straight up. The old wax is scraped away and a new ring is fitted when it is reset. Any existing damage around the flange will be visible at that point.
How do I know the clog is not in the sewer?
If only one toilet is affected and every other fixture drains normally, the clog is local. If another toilet, a tub or a floor drain reacts when you flush, the blockage is further down the system.