How to unclog a sink? 5 tips on how to unclog a bathroom sink

A handbasin is used daily and needs to be cleaned regularly. Hair, soap residues and skin grease in the drain can cause a blocked handbasin. Is your sink clogged? HG provides 5 tips on how to unclog a sink and keep it clean. Read the tips below.

Causes of a clogged sink


Is your sink clogged? In the bathroom, hair is the number one cause of blocked drains. Shaving, washing, brushing, drying: they all produce hair in the basin. Hair, soap residues and skin grease accumulate in the drain. A blocked washbasin is easy to recognise. Does the water from your washbasin drain slower every time and do you have smelly drains? Time to unclog the bathroom sink and to prevent a serious blockage in your drains.

Unclog a sink: 5 tips

Every household will have to deal with a sink that is clogged from time to time. This problem is often easy to resolve. Various tips are shared on the internet. HG randomly selected a number of tips that could unclog a sink. The easy way to unclog a sink? Use HG liquid drain unblocker. 

How to unclog a sink1. Wire

Create a hook at the end of the wire (hanger). Push the wire with the hook through the drain until you feel the blockage. Pull the wire up with a rotating motion. It will bring up hair and soap residues. Do not rinse this down the drain, but throw it in the bin. 

2. Plunger

Fill the sink with a low layer of water. Place the plunger over the drain. Put the suction cap on the drain and move the plunger up and down a few times. Without the plunger coming off the drain. The pulling movements can release the blockage. 

3. Clean the trap

Put a tray or bucket under the trap. Loosen the trap with a wrench. Clean the trap and the drain. Put the trap back on by hand and check for leaks. No leaks? Tighten the trap with the wrench.

4. Flexible drain cleaning coil

Uncoil the drain cleaning coil and remove all the kinks and folds. Push the end down the drain. Can you feel the blockage? By turning first and then pushing and pulling you can loosen the blockage. Then pull the flexible cleaning coil carefully out the drain.

5. Unblocker 

Pour a cup of baking soda down the drain and wait for five minutes. Then pour a cup of vinegar down the drain. Leave this mixture to work for two hours. Boil water, leave to cool a little and, pour this hot water down the drain. 

If the water does not run away after this? Use a powerful unblocker, such as HG liquid drain unblocker. 

HG liquid drain unblocker: remove blockages effectively

unclog a sinkThe easy way to unclog a sink is with  HG liquid drain unblocker. The unblocker works thoroughly and effectively and does not affect plastic pipes. It is ready for use, does not foam or splash when it is poured down the drain. 

It cannot make the blockage worse, like powder or granule products. Result within 30 minutes.

This is how you use HG liquid drain unblocker if you have a minor blockage:

  1. Pour 300ml of HG liquid unblocker down the blocked drain.
  2. Leave the unblocker to work for approximately 30 minutes.
  3. Rinse well with cold water.

If the drain still does not work well? This is how you use HG if you have a persistent blockage:

  1. Fill the sink with warm water.
  2. Add 300 ml HG liquid drain unblocker to the standing water.
  3. Leave overnight.
    • In addition to the 1 litre version, we also have a 500 ml version in our range. Are you looking for an unblocker that absolutely does not splash at all? Use our HG gel unblocker. Are you dealing with an extremely tough blockage? For those clogged drains, we recommend HG duo unblocker.

Prevent a clogged sink: 3 tips

You cannot avoid hair and soap residues. However, there are a number of things you can do to keep your sink clean and to prevent a clogged sink. 

  1. Remove hair immediately.
  2. Clean your sink after use.
  3. Clean your sink weekly with a bathroom cleaner.

Frequently Asked Questions about how to unclog a sink

What causes a clogged sink?

In the bathroom, hair is the number one cause of a blocked sink. Shaving, washing, brushing, drying: they all produce hair in the basin. Hair, soap residues, and skin grease accumulate in the drain.

How do I unclog my blocked sink?

You can unblock your sink in 5 ways: 

  • With wire.
  • With a plunger.
  • Clean the trap
  • With a drain cleaning coil
  • With an unblocker.

Which HG product do I use to unclog my sink?

HG liquid drain unblocker works thoroughly and effectively and does not affect plastic pipes. It is ready for use, does not foam or splash when it is poured down the drain. 

It cannot make the blockage worse, like powder or granule products.

How do I prevent a clogged sink?

There are a number of things you can do to prevent a blockage: 

  1. Remove hair immediately.
  2. Clean your sink after use.
  3. Clean your sink weekly with a bathroom cleaner.


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HG liquid drain unblocker

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HG liquid drain unblocker

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