Clogged Drain? What to Try Before You Call a Plumber
Most clogs are local to one fixture and can be cleared with simple tools. Some are a sign of a bigger problem in the main line. Here is how to tell the difference.
Request a plumber1. Work out how widespread it is
If only one sink or tub is slow, the clog is probably in that fixture’s own drain. If several fixtures are slow, gurgle or back up together, the problem is likely in the main drain or sewer line — skip the DIY and call a plumber.
2. Use a plunger correctly
Use a cup plunger on sinks and tubs (block the overflow opening with a wet rag) and a flange plunger on toilets. Make a good seal and push and pull with steady strokes rather than short jabs.
3. Try a hand drain snake
A cheap plastic drain-clearing strip or hand snake can pull out hair and soap from a bathroom sink or shower drain. Work gently and do not force it.
4. Clean the trap
Under a sink, the curved trap collects debris. Put a bucket underneath, unscrew the slip nuts by hand, empty the trap and reassemble with the washers seated properly.
5. Be careful with chemicals
Chemical drain openers can damage pipes, harm skin and eyes, and make it unsafe for a plumber to work on the line afterwards. If one does not work, do not add another product on top of it.
6. Know when to call
Call a plumber if several drains are slow, sewage smells appear, water backs up in a tub or floor drain, or the clog keeps coming back. See our drain cleaning and sewer line repair pages.
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