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Reviewed by Marcus Aldridge — Senior Editorial Reviewer — Plumbing, HVAC & Wet Trades

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Slow bathtub drain: call a plumber — or fix it yourself

A bathtub that drains sluggishly — leaving inches of standing water after a shower — is almost always caused by a hair-and-soap clog in the drain assembly or P-trap. Over months, hair wraps around the stopper mechanism and binds with soap scum into a dense plug. A simple drain snake or zip-strip tool clears most tub clogs in minutes. If the slow drain persists after clearing the trap, the blockage may be deeper in the branch line or main drain, requiring professional hydro-jetting. A licensed plumber can also inspect for pipe scale buildup or improper venting that causes slow drainage.

Is this your problem?

Symptoms to look for

  1. 01

    Water pools around feet during a shower and drains slowly

  2. 02

    Gurgling sound from the drain after the tub empties

  3. 03

    Visible hair or debris around the drain stopper

  4. 04

    Unpleasant odor rising from the bathtub drain

Who to call

Plumber

A plumber clears a clog deeper than a hand snake reaches, replaces a seized stopper assembly, and checks the vent stack if the drain gurgles.

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Fix it yourself

How to fix slow bathtub drain

Slow bathtub drain

easy 15–40 min

Tools: screwdriver, plastic drain snake, needle-nose pliers, flashlight · Materials: baking soda and vinegar, hair catcher strainer for afterwards

Steps

  1. Remove the overflow plate (two screws) and the drain stopper — many lift out or unscrew anticlockwise.
  2. Push the plastic snake down the drain and down the overflow, twist, and pull; hair comes out on the barbs.
  3. Pick out what the snake misses with needle-nose pliers.
  4. Pour in baking soda then vinegar, wait 15 minutes, and flush with hot water.
  5. Refit the stopper and overflow plate and fit a hair catcher over the drain.

Stop and call a pro if

  • the tub drains slowly and the toilet gurgles when the tub empties
  • water backs up into the tub when the washing machine or sink drains
  • the stopper linkage inside the overflow is corroded or stuck

What a pro does that you can't

A plumber clears a clog deeper than a hand snake reaches, replaces a seized stopper assembly, and checks the vent stack if the drain gurgles.

DIY cost: $5–15 for a snake and a hair catcher

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FAQ

Frequently asked questions

Who should I call for: Slow bathtub drain?

Call a licensed plumber. Plumbers have the specialized training, tools, and insurance to diagnose slow bathtub drain safely and stand behind the fix. Most offer free quotes and can visit the same day or the next.

Can I fix this myself?

Often, yes: the guide above has 5 steps (easy, 15–40 min, $5–15 for a snake and a hair catcher). Stop and call a plumber if the tub drains slowly and the toilet gurgles when the tub empties.

How fast can a pro come out?

Most plumbers offer same-day or next-day visits for non-emergency issues. True emergencies (burst pipes, gas smell, no heat in winter) are typically handled within 1–4 hours.

How much does it cost to fix?

Costs vary by severity and your location. Submit a free quote request to get real pricing from local pros in your area.

What are the signs of: Slow bathtub drain?

Water pools around feet during a shower and drains slowly. Gurgling sound from the drain after the tub empties. Visible hair or debris around the drain stopper. Unpleasant odor rising from the bathtub drain.

Who to call

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