The Best Drain Unblocker 2022

Kitchen and bathroom sinks often become blocked with grease, hair and other deposits. Rather than spending hours using tools, a quality drain unblocker can clear the blockage in a matter of minutes and avoids getting your hands dirty.

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Best Drain Unblocker
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The best drain unblocker is the Mr Musicle Max Gel, which is suitable for all types of blockages and gets to work in 5 minutes. If you require a drain blocker specifically for hair or bathroom blockages, the Buster Formula is the best option.

Drain Unblocker Comparison

Drain UnblockerDurationSize
Mr Muscle Max Gel5 Minutes2 x 1 Litre
Buster Plughole Unblocker15 Minutes300 ml
HG Liquid30 Minutes1 Litre
Scotch Corporation Instant Power60 Minutes1 Litre
Green Gobbler Dissolve25 Minutes916 ml
Duzzit Drain Away15 Minutes3 x 40 Grams

Rather than getting your hands dirty with various tools, the use of a quality drain unblocker is the best option. Liquid formulas are the most effective as they can reach all areas of the blockage and don’t get clogged up at like a powder.

Below is a list of the best drain unblockers that are fast acting and suitable for tough kitchen or bathroom blockages.

The Best Drain Unblocker

1. Mr Muscle Max Gel Sink Unblocker

Mr Muscle Gel Drain Unblocker
Mr Muscle is a highly reputable and popular brand in the UK that produce a range of drain unblockers. The Max Gel formula is one of the most rated that’s suitable for unblocking slow running plugholes in your kitchen or bathroom.

In terms of using this drain cleaner, simply pour the whole bottle down the plughole and allow up to 5 minutes for it to get to work. Afterwards, simply pour hot water from the tap down the plughole and it should be cleared.

Other features of the Mr Muscle Max Gel Unblocker include:

  • 2 x 1 litre bottles
  • Liquid formulation
  • Suitable for bathroom and kitchen blockages
  • Removes hair and gunge
  • Takes 5 minutes to get to work

The Max Gel formula by Mr Muscle is a powerful drain unblocker that’s safe to use and overcomes even the toughest of blockages. If the first use of the cleaner didn’t work, the brand recommend leaving the second bottle to get to work overnight before flushing it away with hot water.
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2. Buster Bathroom Plughole Unblocker

Buster Bathroom Plughole Unblocker
By far the most popular drain unblocker for hair is by the Buster brand. It’s designed specifically for showers, baths or basins where hair and soap scum are the main cause of the sink or plughole becoming blocked.

The brand recommend pouring the full 300 ml bottle down the plughole and wait up to 15 minutes or overnight if possible. You can then simply flush it away using plenty of hot water.

Other features of the Buster Plughole Unblocker include:

  • Designed to unblock hair and soap scum
  • Takes 15 minutes to get to work
  • Liquid formula
  • 1 x 300 ml bottle
  • Ideal for bathrooms
  • Made in the UK

The British made formula by the Buster brand is the best drain unblocker for hair and has been specifically designed for bathroom use. However, the brand also produce other formulas that tackle kitchen sinks and bad smells.
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3. HG Liquid Drain Unblocker

HG Drain and Plug Unblocker
Another popular drain unblocker is the HG Liquid formula, which is suitable for every type of waste pipe. The drain cleaner is ready to use from the bottle and doesn’t foam up whilst being poured into the drain.

For the best results, pour half of the bottle down the sink and allow up to 30 minutes before flushing it away.

Other features of the HG Liquid include:

  • Liquid formulation
  • 1 litre bottle
  • Clears blockages in 30 minutes
  • Suitable for all waste pipes
  • Non-foaming application
  • Only requires 500 ml per use

The HG Liquid Drain Unblocker is an excellent all-round option that clears all types of blockages in any waste pipe. It also offers relatively good value for the money as you only require half of the bottle per use.
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4. Scotch Corporation Instant Power Drain Cleaner

Scotch Corporation UB1969 1969 Drain Cleaners
If you believe you have an extremely blocked drain, you may want to opt for a more powerful drain cleaner. According to the Scotch Corporation brand, their Instant Power formula is the strongest formulation on the market.

Whether the blockage is caused by hair or grease from the kitchen, the brand guarantee that this drain cleaner will clear the blockage. Simply pour 2 to 4 cups of the formula into the plughole, wait one hour and flush it away with hot water.

Other features of the Scotch Corporation Instant Power include:

  • Powerful and safe to use on all piping
  • Dissolves hair clogs
  • Creates heat that melts grease
  • Contains concentrated lye
  • Made in the USA
  • 1 litre bottle

Although expensive, the Scotch Corporation Instant Power is one of the most powerful drain cleaners that safe to use. The brand are so confident that it will work that they provide a 100% consumer guarantee.
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5. Green Gobbler Drain & Sink Unblocker

Green Gobbler Dissolve Tub
Another American made drain unblocker is the Green Gobbler Dissolver, which has been recently improved to be a 100% biodegradable formula. It’s designed specifically for toilets, sinks or bathtubs and is able to dissolve hair within minutes.

In terms of using the drain unblocker, it has two pre-measured chambers for tackling certain applications. One chamber pours enough liquid for bath or sink plugholes and the other is designed for toilets. Once poured down the blocked plughole, it gets to work within 25 minutes.

Other features of the Green Gobbler Dissolver include:

  • 916 ml bottle with two chambers
  • 30 day money-back guarantee
  • Suitable for toilets, sink and baths
  • Takes 25 minutes to get to work
  • 100% biodegradable formula
  • Odourless and non-flammable

The Green Gobbler Dissolver is a high quality drain unblocker that’s ideal for hair or other bathroom blockages. It also has the unique benefit of being completely biodegradable, which makes it better for the environment when flushed away.
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6. Duzzit Drain Away Drain Unblocker

Duzzit Drain Away
The Duzzit Drain Away is the only powdered drain cleaner that we recommend and it comes with three 40 gram sachets. It’s suitable for sinks, shower or bath blockages and is also one of the cheapest formulas in the UK.

Other features of the Duzzit Drain Away include:

  • Powder formula
  • 3 x 40 gram sachets
  • Takes 15 minutes to get to work
  • Suitable for non-metal plugholes
  • Can be used on a monthly basis

If you are looking for an affordable drain unblocker that’s in a powered form, the Duzzit Drain Away is the best option. It quickly removes all types of blockages from bathroom sinks, showers and baths with ease.
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Compared to spending hours using various tools, a simple drain unblocker can clear a blockage in a matter of minutes. Whether it’s grease or hair blocking the plughole, all of the recommendations are more than capable of unblocking it and are safe to use on all types of waste pipe.

The Author Who Worked On This Article

author dan darimo

Dan Morgan

As a keen DIY’er, gardener and somebody that loves the latest tech, Dan is someone that brings years of experience in multiple trades. Since buying his first house, he has been obsessed with renovating properties and filling it with the latest products. This has led him down the road of testing hundreds of products and creating in-depth “how-to” and informative guides that offer his first-hand experience. Other interests include working on cars, keeping fit through sports or his home gym, caravanning and drinking great coffee.

If you would like to read more about Darimo and the authors, you can visit our about page. This goes into great detail regarding how we test products, create our guides and everything else.

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