How to Fix a Clogged Bathtub Drain

🧰 Tools & Materials

Tools

• Rubber gloves
• Flashlight
• Screwdriver
• Needle-nose pliers
• Small bucket or bowl
• Cup-style plunger
• Hand-operated drain snake or auger

Materials

• Paper towels or old rags
• Plastic bag for removed debris
• Replacement stopper gasket or hardware, if needed

Signs Your Bathtub Drain Is Clogged

A bathtub drain usually gives you some warning before it stops draining completely. Common signs include:

• Water pools around your feet while showering.
• The tub takes several minutes to empty after use.
• Water drains normally at first and then begins backing up.
• You hear gurgling from the drain as water goes down.
• Hair or debris is visible around or underneath the stopper.
• The drain repeatedly slows down even after removing visible hair.
• Water barely drains or does not drain at all.

Most bathtub clogs are caused by hair, soap residue, and other buildup collecting near the stopper or farther inside the drain.

Before You Start

Before reaching for a drain snake, take a look at your bathtub’s drain and determine what type of stopper you have.

Common bathtub drain styles include:

• Toe-touch
• Lift-and-turn
• Push-and-pull
• Trip-lever
• Pop-up
• A simple drain cover or strainer

Some stoppers lift or unscrew directly from the drain. Others are connected to hardware behind the overflow plate on the wall of the tub.

You do not necessarily need to remove the stopper immediately. Start with the easiest solution and work your way deeper into the drain only if the clog remains.

If your bathtub contains standing water, scoop most of it into a bucket before taking anything apart. A small amount of water can remain in the tub if you plan to use a plunger.

If you have already poured chemical drain cleaner into the tub, do not immediately plunge or snake the drain. Follow the chemical manufacturer’s instructions first because trapped cleaner can splash back when the clog is disturbed.

💡 Pro Tip: Bathtub clogs are commonly sitting within the first few feet of the drain. You usually do not need a large powered drain machine for a typical hair clog.

Step 1: Remove Visible Hair and Debris

Put on gloves and inspect the drain opening.

Remove any hair, soap buildup, or debris you can reach around the stopper. Needle-nose pliers can help grab material that is slightly below the drain opening.

If your stopper comes out easily, remove it so you can clean underneath it. If the drain or stopper assembly is damaged, badly corroded, or leaking rather than simply clogged, see how to replace a bathtub drain instead.

Hair often wraps around the stopper mechanism and collects into a surprisingly large clump just beneath the drain.

What You Should See: The drain opening should be relatively clear with no obvious mat of hair covering or hanging into it.

If Yours Looks Different: If the stopper does not lift out easily, do not force it. Some styles must be unscrewed or partially disassembled before removal. You can move on to plunging before removing complicated stopper hardware.

Step 2: Try Flushing the Drain

If you removed a noticeable amount of debris, run hot tap water into the tub for about 30 seconds.

Watch how quickly it disappears.

If the water now drains freely, continue running it for another minute to help carry loosened residue through the drain.

Do not pour boiling water into the bathtub. Very hot tap water is sufficient and avoids unnecessarily exposing certain tubs and drain components to extreme heat.

What You Should See: Water should flow toward the drain without building up around the opening.

If it still drains slowly or begins pooling, the clog is probably farther inside the drain.

Step 3: Plunge the Bathtub Drain

Add enough water to the tub to cover the bottom edge of a cup-style plunger.

Before plunging, you need to block the bathtub’s overflow opening. Otherwise, much of the pressure you create with the plunger simply escapes through the overflow.

Hold a wet rag firmly over the overflow opening. If necessary, remove the overflow cover first so you can seal the opening more effectively.

Center the plunger over the drain and press down firmly enough to create a seal.

Plunge vigorously 10–15 times while keeping the plunger sealed against the tub.

Lift the plunger and watch the water.

You may need to repeat this several times.

What You Should See: The standing water may suddenly begin swirling and draining quickly once the clog breaks loose.

If Yours Looks Different: Some bathtub drains have a stopper that prevents the plunger from sealing properly. If possible, remove the stopper before plunging. If it cannot easily be removed, skip ahead to snaking the drain.

💡 Pro Tip: Sealing the overflow opening is one of the most important parts of plunging a bathtub. If the plunger seems to create almost no pressure, check your overflow seal before assuming plunging will not work.

Step 4: Remove the Overflow Plate

If plunging does not clear the clog, the next step is to snake the drain.

For many bathtubs, the easiest path into the drain is through the overflow opening rather than straight down through the drain.

Place a towel in the tub so dropped screws do not disappear down the drain.

Remove the screws holding the overflow plate to the tub wall.

Pull the plate toward you slowly.

If your bathtub has a trip-lever stopper, a linkage assembly may come out with the plate. Carefully pull the linkage straight out and set it aside.

Older hardware may have soap buildup or corrosion around it. Wiggle the plate gently rather than prying aggressively against the tub surface.

What You Should See: Behind the plate will be an opening leading down into the bathtub’s drain system.

If Yours Looks Different: A plain overflow plate may have no linkage attached at all. That is normal. Some tubs also have different stopper arrangements that allow you to snake directly through the drain opening.

Step 5: Feed a Drain Snake Through the Overflow

Insert the end of a hand-operated drain snake into the overflow opening.

Slowly feed the cable downward while rotating the handle.

You may feel some resistance as the cable follows the bend in the drain. Continue working it forward gently.

When you reach the clog, the cable may:

• Become harder to advance
• Feel springy or spongy
• Stop moving forward
• Catch on hair and debris

Rotate the snake while moving it slightly forward and backward.

Do not aggressively force the cable. The goal is to break through or grab the clog, not ram the snake through the plumbing.

Feed several feet of cable into the drain if necessary.

What You Should See: The cable should gradually move farther into the drain as you rotate and feed it.

If Yours Looks Different: If the snake stops almost immediately against something solid, pull it back slightly and rotate it while advancing again. You may simply be hitting a bend rather than the clog.

Step 6: Pull Out the Snake and Remove the Clog

Slowly retract the snake while continuing to rotate the handle.

Be prepared for hair and sludge to come back with it.

Use paper towels to remove debris from the cable as it comes out and place the debris directly into a plastic bag.

Do not rinse a large clump of hair back down the bathtub drain.

If you pull out a substantial amount of material, run the snake through the drain again. A second pass can catch debris left behind by the first one.

What You Should See: Hair, soap buildup, or dark sludge may be wrapped around the end of the snake. Sometimes the snake simply breaks through the clog and comes back relatively clean.

💡 Pro Tip: If the snake suddenly becomes much easier to advance, you may have broken through the clog. Feed it a little farther before pulling it back to help clear the remaining buildup.

Step 7: Reassemble the Overflow and Test the Drain

Once the snake is removed, reinstall any trip-lever linkage you pulled out.

Position the overflow plate against the tub and reinstall the screws.

Tighten them until the plate sits securely against the tub. Do not overtighten the screws, especially on older tubs or plastic components.

Run hot water into the bathtub for about one to two minutes.

Let enough water accumulate to confirm that it is draining properly.

Run hot tap water into the bathtub for about one to two minutes and confirm that it drains freely without beginning to pool. If the bathtub has a working stopper, you can then close it and fill the tub with a small amount of water. Open the stopper and watch the water drain. This larger volume of water provides a better final test once you know the drain is flowing.

The larger volume of water provides a better test than simply running the faucet.

What You Should See: Water should drain steadily without pooling around the drain or backing up into the tub.

Listen for unusual gurgling and check around any hardware you removed to make sure everything is seated properly.

If the water drains normally, the clog is cleared.

If Something Goes Wrong

Problem: The water drains better but is still slow

Some of the clog may still be inside the drain. Run the snake through the overflow again and work it several feet farther into the line. A large hair-and-soap clog may take more than one pass to remove completely.

Problem: The snake will not go down the overflow

The cable may be catching on a bend in the piping. Pull it back a few inches, rotate it, and gently feed it forward again. Do not force the cable if it repeatedly hits a solid obstruction.

Problem: Nothing comes back on the snake

That does not necessarily mean you missed the clog. A snake can break through soft buildup without pulling much material back. Test the drain before snaking again.

Problem: The trip-lever linkage will not come out

Soap buildup, mineral deposits, or corrosion may be holding the linkage in place. Gently work it up and down while pulling outward. Avoid excessive force because old linkage components can bend or break inside the overflow.

Problem: The drain becomes clogged again within a few days

A deeper clog may still be present, or buildup farther down the drain line may be restricting flow. Another pass with a longer hand auger may help. Repeated clogs after thorough snaking can indicate a problem farther into the plumbing system.

Problem: Water backs up somewhere else when the tub drains

Stop treating the problem as a simple bathtub clog. Water appearing in another tub, shower, or fixture can indicate a blockage in a larger branch or main drain line.

🛑 Common Mistakes to Avoid

• Pouring multiple chemical drain cleaners into the same drain.
• Plunging immediately after using chemical drain cleaner.
• Forgetting to seal the overflow opening while plunging.
• Forcing a drain snake when it will not advance.
• Assuming every bathtub stopper removes the same way.
• Sending removed hair and debris back down the drain.
• Using excessive force on old or corroded overflow hardware.
• Using a powered drain machine when a simple hand-operated snake is sufficient.
• Assuming a repeatedly clogged tub is always caused by hair directly beneath the drain.

❓ FAQs

What is the most common cause of a clogged bathtub drain?

Hair is the most common culprit. It combines with soap residue and other buildup to create a blockage inside the drain.

Should I use a chemical drain cleaner first?

Usually not. Removing visible debris, plunging, and using a hand-operated drain snake are generally better first approaches because they physically remove or break apart the clog.

Can I snake a bathtub through the drain opening?

Sometimes, but the overflow opening often provides a more direct path into the drain piping. The best access point depends on the bathtub’s stopper and drain configuration.

Why do I have to cover the overflow when plunging?

The overflow is connected to the bathtub drain. Leaving it open allows the pressure from the plunger to escape instead of being directed toward the clog.

Can I use a sink plunger on a bathtub?

Yes. A basic cup-style plunger works well as long as it can form a good seal around the bathtub drain.

How far should I snake a bathtub drain?

For a typical bathtub clog, feeding several feet of cable through the overflow is often enough. If you have gone well beyond the tub’s immediate drain and still cannot restore flow, the blockage may be farther down the plumbing system.

Why does my bathtub keep clogging?

Recurring clogs can come from hair and soap buildup that was only partially removed, or from a deeper restriction in the drain line. If thorough snaking only fixes the problem temporarily, further investigation may be needed.

📞 When to Call a Professional

A stubborn hair clog that takes a couple of passes with a hand snake is still a reasonable DIY repair.

Consider calling a plumber if:

• The snake repeatedly hits an obstruction you cannot get past.
• The bathtub remains completely blocked after plunging and snaking.
• The clog returns shortly after being thoroughly cleared.
• Multiple drains in the bathroom are backing up.
• Using one fixture causes water to appear in another.
• Sewage or foul drain water backs up into the bathtub.
• Old drain or overflow components break during the repair.
• You suspect the blockage is farther down a branch or main drain line.

At that point, the problem may require a longer professional drain machine, camera inspection, or access to plumbing that is not reasonably reachable from the bathtub.

Related DIY Guides

• How to Replace a Bathtub Drain
• How to Unclog a Bathroom Sink
• How to Replace a Bathroom Sink Drain
• How to Replace a Kitchen Sink Drain
• How to Replace a P-Trap