10 Best Sink Drain Cleaners And Unblockers in The UK

Last updated on 16/07/2025

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HG Duo Unblocker, Powerful Drain Cleaner & Drain Unblocker, Kitchen Sink Unblocker & Bathroom Sink Unblocker, Pipe Cleaner, Plug Hole Liquid & Hair Unblocker - 2x 250ml

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Why We Love It

Ultra-effective for stubborn blockages.
Unique 2-component cleaning technology.
Safe and easy to use.

Main Highlights

HG Drain Unblocker duo: Ultra effective drain unblocker for blocked pipes in and around the home. Extremely powerful and recommended for stubborn blockages or persistently clogged drains
Effective multi purpose cleaner for removing stubborn blockages: Kitchen or bathroom plug unblocker, breaks down drain blockages caused by oil, food, debris, soap scum or hair
Shower and bath unblocker: Heavy duty pipe unblocker and drain pipe cleaner uses unique 2-component technology (bottles A and B) which work together to treat the clogged drain
No splash, easy to use: Drain unblocker liquid is safe for all drain types and won't foam or splash. It's ready to use and won't need diluting. Safe to use in kitchen, utility areas and wet rooms
Includes: HG Duo Unblocker, 2 x 500ml. Discover the innovative range of HG professional household cleaning products, including HG mould remover spray, multi purpose cleaners and all surface cleaners

Drain Unblocker, 2025 New Sink Unblocker Sink and Drain Cleaner Powerful Pipe Dredge Agent, Meledmatte Toilet Cleaner Liquid Heavy Duty for Home (B)

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Why We Love It

Powerful formula eliminates clogs.
Safe for all plumbing systems.
Suitable for various drain types.

Main Highlights

【Powerful and effective】Our drain cleaner is a powerful sink and drain cleaner, eliminate stubborn drainage plugs in kitchen water pipes, toilets, bathrooms, floor drains and other drain pipes. Its high -density formula penetrates through the water and adheres to the pipes, ensures effective cleaning and elimination of constipation.
【Safe and Effective】Our drain cleaner consists of a secure formula and does not harm your drains, pipes or the sewage system. You can rely on its effectiveness without having to worry about possible damage to your sanitary system.
【Widely Use】This sink and drain cleaner is suitable for different situations. From large drain pipes to bathrooms, toilets, bathtubs and much more, our drain cleaner can effectively clean all types of pipes and free them from constipation.
【Great Helper】Ideal choice for maintaining a cleaner and more hygienic living environment. Say goodbye to clogged drains and enjoy a smoothly functioning sanitary system with our reliable and proven sink and drain cleaner.
【Easy to use】Simply put the corresponding amount in the drain and let it take effect. Its powerful formula solves stubborn drainage plugs and thus enables quick and easy cleaning.

5 Litre Heavy Duty Sink & Drain Unblocker Strong Cleaning Liquid Plug Hole Toilet Cleaner Tool For Home, Office, Garage & Shops (1 x 5 Litre)

Why We Love It

Unclogs sinks rapidly under 5 minutes.
Super-strength formula clears stubborn blockages.
Safely maintains all types of drains.

Main Highlights

SINK & DRAIN UNBLOCKER: However much you try, sometimes food, hair or other blockages might fall down your sink or drains. Luckily, our sink and drain unblocker will help you get those clogs shifted. Soon you’ll be able to take a shower without it filling up with water or wash up in your kitchen sink without the dirty water getting stuck. Our Sink and Drain unblocker is the fast and effective way to unclog your sinks and drains with one dose. Gets to work really fast in under 5 minutes.
POWERFUL FORMULA: Power through blockages in your drain with our super-strength drain unblocker solution. It's a home essential and can be used on sinks, showers, and outdoor drains. It powers through to the source of the blockage to resolve the issue and give you free running water again. Use regularly to ensure pipes and drains remain problem free.
MULTI USE: Protect your sinks and drains by using this drain unblocker on a regular basis. Out solution is safe for use on all pipes, its perfect for the home, office, workplace, shops and canteens.
SIMPLE TO USE: Add 1 Litre of product to the affected sink or drain and allow the solution to work for at least 5 minutes. For best results, leave for up to 30 minutes and then flush through with hot water. Simple select the amount required from the menu above.

3pc Sink and Drain Cleaner, Drains Cleaners and Unblockers, Powerful Pipe Dredging Agent Sink Toilet Cleaner Foam Powder Unblocker for Kitchen Bathroom Shower Pipes

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Why We Love It

Fast-acting clog removal solution.
Great value with triple pack.
Safe for all pipe materials.

Main Highlights

【Fast-Acting Formula】Quickly dissolves tough clogs like hair, grease, and food in kitchen sinks, showers, and toilets. Saves you from calling a plumber!
【Great Value Triple Pack】Get 3 full-size 110g bottles - enough for multiple drains or future needs. Never run out when clogs strike.
【Safe for All Pipes】Works effectively yet gently on PVC, metal, and other common pipe materials without causing damage.
【Cleans & Freshens】Not only unclogs but also removes odors, leaving drains smelling clean and fresh.
【Easy to Use】Just pour, wait 20 minutes, and flush. No tools or hassle required!

Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack, (2 x 1L)

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Why We Love It

Powerfully tackles tough clogs.
Quick-action, efficient unblocking.
Safe for all pipes.

Main Highlights

Sink power unblocker to destroy the toughest clogs in your drain
Blocked drain cleaner for dissolving clogs caused by debris in sinks, plugholes and pipes
3x more effective than bleach as a pipe unblocker based on hair removal in laboratory testing
Cuts through standing water to unblock plugholes
Mr Muscle drain unblocker is safe for use on all types of pipe

HG kitchen drain and plug unblocker 1L

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Why We Love It

Effective for persistent blockages.
Eco-friendly and biodegradable ingredients.
Prevents future blockages.

Main Highlights

HG Drain Unblocker for kitchen sinks: A fast acting drain unblocker and kitchen sink cleaner. Clears the pipes quickly and easily; ideal for persistent blockages caused by fat, oil and food remnants
Eco conscious formula: The kitchen sink unblocker is made using natural ingredients, including enzymes and microbes, making this cleaner biodegradable and safe for any kitchen drain or septic tank
Quick and easy plughole unblocker: High strength blockage remover gel which gets to work eating away at the blockage. Try this first before calling a plumber! Gentle on sinks, pipes and traps
Easy to use drain cleaner fluid: Can also be used as a sink drain cleaner and de-odouriser. Enhances the bacteria culture of septic tanks and has a preventative effect to help avoid future blockages
Includes: 1 x HG Plughole Unblocker, 1L. Discover the full range of HG professional household cleaning products, with HG Mould Remover, toilet unblocker, shower drain unblocker and all surface cleaner

Buster Bathroom Drain Unblocker 300ml, Pack of 3 – Sink Unblocker Removes Hair & Sludge in Showers, Baths & Sinks. Fast-Acting Shower Drain Unblocker Clears Blockages & Slow-Draining Water

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Why We Love It

Clears hair and sludge swiftly.
Saves showers, baths, and basins.
Fast-acting, efficient blockage solution.

Main Highlights

BATHROOM SINK UNBLOCKER - Buster Bathroom Plughole Unblocker is the one-shot drain unblocker specially designed to blast away hair and soap scum in bathroom drains fast
TARGETS HAIR & SLUDGE - Buster clears bathroom plugholes from the build-up of hair, soap scum and sludge; these are the common plughole nasties that, if not treated regularly, cause the dreaded bathroom plughole blockage
FOR SHOWERS, BATHS & BASINS - Buster Bathroom Plughole Unblocker is specially formulated to tackle the causes of blockages inside your bathroom pipes - It’s suitable for showers, baths, sink plugholes and is safe to use on septic systems
STOPS SLOW DRAINING WATER & BLOCKAGES - Whether it’s a full blockage or slow draining water, Buster’s fast-acting formula gets to work in 15 minutes (for best results leave overnight), dissolving hair and clearing sludge to keep water flowing freely
YOUR PLUGHOLE EXPERTS - For over 30 years we’ve worked obsessively to make plughole care products that are effective and simply get the job done, from clearing and preventing blockages to cleaning and sanitising

Buster Kitchen Plughole Unblocker 150g, Pack of 3 - Kitchen Drains & Sinks Unblocker, Blasts Fat & Food Debris – Fast Acting Plughole Unclogger, Clears Blockages & Slow-Draining Water

25% OffFree Shipping

Why We Love It

Powerful against food and fat.
Mends blockages in minutes.
Experienced plughole care experts.

Main Highlights

KITCHEN SINK UNBLOCKER - Buster Kitchen Plughole Unblocker is the one-shot drain unblocker specially designed to target food and fat build-up in kitchen drains and sinks fast
BLASTS FAT & FOOD - Buster's heavy-duty kitchen drain cleaner tackles the build-up of fat and food debris – these are the common plughole nasties that, if not treated regularly, can cause the dreaded kitchen plug blockage
STOP SLOW DRAINING WATER & BLOCKAGES - Whether it’s a full blockage or slow draining water, Buster’s fast-acting sink unblocker targets build-up and melts fat and grease to keep water flowing freely
MIGHTY ONE-SHOT TREATMENT - Buster’s fast and effective unique formulation drops straight to the blockage and works in 20 minutes (for best results leave overnight), ready to flush away blockages inside your kitchen sink and pipes
YOUR PLUGHOLE EXPERTS - For over 30 years we’ve worked obsessively to make plughole care products that are effective and simply get the job done, from clearing and preventing blockages to cleaning and sanitising

2PCS Powerful Sink &Drain Cleaner,Powerful Sink Foaming Si-nk and Drain Cleaner,Power-ful Pipe Dredging Agent,Dr-ain Unblocker Liquid Heavy Duty,Dr-ain Clean-er and Unblocker,Bathroom Dr-ain Unblocker

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Why We Love It

Powerful and effective cleaner.
Long-lasting odor removal.
Versatile cleaning application.

Main Highlights

2PCS POWERFUL SINK & DRAIN CLEANER:The effect of our drain unblocker is very powerful.This sink unblocker is ideal for removing hard water deposits from toilet tanks.This toilet unblocker can also improve the rinsing effect.In addition,drain cleaner can clean pipes very well and use toilet unblocker heavy duty to let water flow quickly
ALL-ROUND CLEANING:The foam drain cleaner can be used for many kinds of cleaning.This shower drain unblocker is designed so that it can reach the most difficult corners.Use our drain unblocker liquid heavy duty to provide a comprehensive cleaning solution for your toilet.Take our outdoor drain unblocker home
EFFECTIVE ODOR REMOVAL:Use our drain cleaners and unblockers to effectively remove odors from the source.The effective formulation of this toilet unblocker liquid helps to break down and dissolve organic matter,hair,and other debris that can cause clogging.Using the kitchen sink unblocker can give you a fresh environment.And the effect of this bathroom drain unblocker is long-lasting
LONG LASTING:The effect of this bathroom sink unblocker is long-lasting.Our shower unblocker adhere well to pipes.This buster bathroom plug unblocker will work for a long time and save you time.Use drain foam cleaner to improve odor in the long run.This industrial drain unblocker can keep water pipes fresh and tasteless for a long time
WIDE APPLICATION:Our drain unblocker bathroom can be used in your home,from the kitchen sink to the washbasin,toilet and floor drain.Keep your pipes clean with our effective bath drain unblocker.This toilet blockage remover has a strong dissolving power,using sink unblocker liquid heavy duty can help you better complete the cleaning job.Shower drain cleaner has a deep cleaning effect every time you use it

Green Swirl Powerful Drain Unblocker - Sink and Drain Cleaner - Sachets - Sustainable Cleaner Heavy Duty and Safe for Pipes

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Why We Love It

Powerful and effective against clogs.
Eco-friendly and safe for pipes.
Easy to use with no spills.

Main Highlights

Powerful Drain Cleaner: GreenSwirl is a non-corrosive, eco-friendly solution that’s up to 4x more effective than traditional drain cleaners and drain unblockers. Ideal for toilets, sinks, showers, and outdoor drain unblocker needs. A must-have for bathroom cleaning.
Toilet Unblocker Heavy Duty: This powerful toilet unblocker dissolves even the toughest clogs safely and effectively. Perfect for use as a toilet cleaner, sink unblocker, or shower drain unblocker. Trusted by plumbers and proven to deliver outstanding results.
Safe & Eco-Friendly Cleaning: GreenSwirl contains no harmful chemicals like caustic soda. It’s safe for septic tanks, plastic pipes, and copper pipes. A reliable choice for drain cleaners and unblockers without risking damage to your household essentials.
Easy-to-Use Drain Unblocker Tools: Convenient 233g sachets of granules ensure no spills or splashes. Use for toilet unblocker liquid alternatives, drain snake unblocker assistance, or outdoor drain unblocker tasks. Simple, effective, and plumber-recommended.
Multi-Purpose Bathroom Cleaner: Use GreenSwirl for bathroom cleaning tasks, from sink unblocker needs to limescale remover. Perfect for shower cleaner applications, drain unblocker solutions, or as part of your regular household essentials for maintenance.

8.8

Excellent

We scanned 1572 products

We reviewed these offers relevant to the Sink Drain Cleaners And Unblockers within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like HG, Ryfpdml, STORM TRADING GROUP, Kenmohuo, Mr Muscle, Buster, Jinjiar, Green Swirl, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Sink Drain Cleaners And Unblockers in the market, we considered we took a deep dive into 7861 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is HG Duo Unblocker, Powerful Drain Cleaner & Drain Unblocker, Kitchen Sink Unblocker & Bathroom Sink Unblocker, Pipe Cleaner, Plug Hole Liquid & Hair Unblocker - 2x 250ml. We love many things about this product by HG. What sets it apart from the competition is Ultra-effective for stubborn blockages, Unique 2-component cleaning technology, Safe and easy to use.
The best value product for most shoppers and where user satisfaction is continuously the highest is Drain Unblocker, 2025 New Sink Unblocker Sink and Drain Cleaner Powerful Pipe Dredge Agent, Meledmatte Toilet Cleaner Liquid Heavy Duty for Home (B) by Ryfpdml based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Sink Drain Cleaners And Unblockers and the best cost-to-value ratio is Buster Kitchen Plughole Unblocker 150g, Pack of 3 - Kitchen Drains & Sinks Unblocker, Blasts Fat & Food Debris – Fast Acting Plughole Unclogger, Clears Blockages & Slow-Draining Waterat Buster with a 25% discount.
Our list of the best Sink Drain Cleaners And Unblockers is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Sink Drain Cleaners And Unblockers in The UK

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Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, 1L

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We scanned 1572 products

We concluded that: