How to Unblock a Sink

Over time, sinks gradually build up residual soap scum, food debris and hair, which collects in the drain. At some point you will need to know how to unclog your sink. If you have young children who live in the household, it will pay to educate them on what can and can’t go down the sink; cotton buds in particular should be put in the rubbish and baby-wipes should not be flushed down the toilet. Fortunately it’s quite simple to get the water going down the drain again.


You will need a few tools to unblock the sinks around your home:

  • Gloves
  • Cleaning sponge/cloth
  • Plunger
  • Baking Soda or sodium carbonate
  • White Vinegar
  • Bucket


Follow these simple steps to clear the blocked sink:

1. Clean and clear the plughole. Take the plug out and wipe around the plughole. Try and pull out any hair or debris that may be stuck down the drain.
2. Block the overflow. Place the cloth/sponge into the overflow so that there is an airtight seal.
3.Plunge. Making sure you cover the entire plughole with the plunger, push up and down. Keep doing this until you feel the pressure release and the blockage clears, or continue with the following tips.
4.Use baking soda and vinegar. Pour about a tablespoon (or more if needed) down the plughole. Then measure out one cut of white vinegar and pour it down the sink too.
5.Pour in hot water. The baking soda and vinegar will fizz away as it breaks down the slime in your drain pipe. Wait a couple of minutes, then pour some hot water down the drain to fully clear away any debris.
6.Use sodium carbonate. Instead of using vinegar and baking soda, you can dissolve some sodium carbonate in boiling water and stir. When the powder has dissolved, pour this down the drain to break down all the grime build-up in your sink.


If your sink is still blocked after following the above steps you can remove the U-bend pipe beneath the sink; however, experienced hands should handle a task like this. Alternatively you can check out our drain unblocking services or contact us today to discuss a solution for your drainage problems.