Simple Steps to Unclog a Sink


If you have a slow draining sink or the sink doesn’t drain at all, here are a few basic steps to take to clear the drain and unclog a sink.


What’s clogging the drain?

  • This could be caused by
    • Strands of hair building up
    • Soap scum
    • Bits of debris that have fallen into the drain

Try these home remedies to unclog a sink:

  • Boiling water
    • Let the drain clear before using this method.
    • Fill a pot with water and bring it to a boil.
    • Carefully pour the water slowly into the drain.
    • Precaution – this is for sinks that are NOT made of porcelain.
      • Hot water can crack a porcelain sink.
    • If this method doesn’t work after repeated attempts, try another method.

  • Vinegar and baking soda
    • Let the sink drain completely
    • Pour ¼-cup of baking soda drain, using a funnel.
    • Add 1 ¼ cup of white vinegar using the same funnel.
    • Use a sink stopper to plug the drain or a towel.
    • Let the mixture stand for 20 minutes.
    • Pour boiling water down the drain slowly. 
    • Repeat if necessary.
    • If that doesn’t work…

  • Use a plunger
    • Remove the stopper. (most stoppers will come right out by pulling)
    • Leave the sink with water in it.
    • Center the plunger over the drain and apply force to create a strong seal.
    • Pump the plunger for about 15 seconds
    • Check to see if the water drains.
    • Repeat this process for stubborn clogs

  • Call a Mac Plumbing, Heating & Air!
    • If you have a drain that won’t come unclogged, you may need a plumber to come out and fix the problem.
    • Mac plumbing has the right equipment to get your drains running without damaging your sink.

Keeping your plumbing clog free:

  • Avoid letting hair accumulate in your drain, even small hair from shaving.
  • Add a grate or screen to trap hair and soap scum.
  • Run hot water after using the sink to keep build up at bay.
  • Periodically use the methods above to keep your drains flowing.

Be prepared with a check-up from Mac and if you find yourself with plumbing or HVAC problems, be sure to contact Mac Plumbing, Heating & Air here or call us at (931) 552-5555.