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

Wie te bellen · Plumber

Slow draining sink? Dit is wie je moet bellen

A sink that drains slowly is more than an annoyance — it usually signals a partial blockage in the drain line from grease, soap scum, hair, or mineral deposits. If ignored, partial clogs become full backups. A drain-cleaning specialist can clear the blockage with a snake or hydro-jetting and check for deeper pipe issues.

What's going on

How to fix slow draining sink

Some "slow draining sink" cases look simple, but getting it wrong almost always costs more than calling a pro: hidden leaks, fire risk, code violations, and insurance headaches. A licensed plumber will diagnose the exact cause, use the right professional tools, and stand behind the repair. Most local pros offer free quotes and can visit the same day or the next.

Who to call

Plumber

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Symptoms to look for

  1. 01

    Water pools in the sink and takes minutes to drain instead of seconds

  2. 02

    Gurgling sounds when the sink drains or when a nearby toilet is flushed

  3. 03

    Unpleasant odor coming from the drain opening

  4. 04

    Multiple fixtures in the same area draining slowly at the same time

  5. 05

    Water backs up into the sink when the dishwasher runs

FAQ

Frequently asked questions

Who should I call for: Slow draining sink?

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

Can I fix this myself?

Some minor cases can be handled DIY, but most require a licensed plumber to avoid costly rework and safety risks. A free quote takes under a minute.

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 draining sink?

Water pools in the sink and takes minutes to drain instead of seconds. Gurgling sounds when the sink drains or when a nearby toilet is flushed. Unpleasant odor coming from the drain opening. Multiple fixtures in the same area draining slowly at the same time. Water backs up into the sink when the dishwasher runs.