10 Best Bathroom Drain Cleaners And Unblockers in The UK

Last updated on 22/07/2025

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Eco Drain Cleaner from Plumbo - Safe and Effective Probiotic & Enzyme Formula for Mild to Moderate Blockages, Non-Toxic and Eco-Friendly, Breaks Down Grease and Organic Waste, Odour Neutralizer, 1 L

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Why We Love It

Cleans and deodorises effectively.
Eco-friendly and safe.
Powerfully effective results.

Main Highlights

OTHER DRAIN UNBLOCKERS promise to keep drains clear – but then wind up not working and MAKING BLOCKAGES WORSE. Plumbo Naturent Drain Cleaning gel is formulated with PROBIOTICS and 3 TYPES OF ENZYMES that “DIGEST” the waste, oils, fats, food residue, soap scum and TOILET TISSUE that accumulates in your drains on a daily basis, effectively BREAKING THEM DOWN and clearing them away.
DON’T SETTLE FOR drain cleaners that DON’T DO ANYTHING to improve the FOUL ODOURS in your pipes, or just DEODORISES or MASKING THE BAD ODOUR. Our drain sink unblocker effectively ELIMINATES offensive smells in pipes and drains AT THE SOURCE, keeping your SINKS SMELLING FRESH. Made for use in ALL TYPES OF PIPES and septic tanks – and SAFE for you, your family and aquatic life, too!
BETTER FOR THE PLANET – ECO FRIENDLY Made with NATURALLY OCCURRING ENZYMES and PROBIOTICS, this SUSTAINABLE drain cleaner break down waste and keep pipes and drains 100% clean WITHOUT harmful chemicals, NON-CORROSIVE AND BLEACH-FREE. Safe for use in ALL TYPES OF PIPES, toilets and septic tanks, also mobile toilets, caravan, boats etc.
150% more NATURALLY occurring ENZYMES and PROBIOTICS than most other biological drain cleaners. Breaks down and dissolves all organic waste, which can clog up or stagnate in drains and toilets, i.e grease, food residues, soaps, and toilet paper. To be used preventive to avoid clogging, and when flow or odour issues start to appear.
AT PLUMBO, WE’RE COMMITTED to providing you with POWERFULLY EFFECTIVE eco cleaning products that GET THE JOB DONE RIGHT. As a TRUSTED BRAND from Norway SINCE 1909, our kitchen, bath, and shower drain unblocker is a UNIQUE, NATURAL way to keep drains clear & fresh. WE PUT OUR CUSTOMERS FIRST – if for any reason you aren’t satisfied with your sink cleaner, our team is standing by to help.

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

21% OffFree Shipping

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

HG Drain and Plug Hair Unblocker, Removes Hair from Showers, Baths, Sinks & Plug Holes, Unblocks Blocked Bathroom Pipes & Drains Quickly & Easily (200 ml + 250 ml) - 667045106

10% OffFree Shipping

Why We Love It

Effective two-step formula solution.
Quick and convenient application.
Universal compatibility with drains.

Main Highlights

HG hair unblocker is the perfect solution to help unblock your drains with its 2 step formula
Removing blockages caused by hair
For quick and effective results
Ready to use and convenient to apply
Suitable for all types of drains

YUNGMAX Drain Unblocker Tools, Flexible 61 inch Double Ended Nylon Pipe Cleaner Brush and 17.7 inch Sink Unblocker Brush for Kitchen Bathroom Shower Plug Hole

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Why We Love It

Versatile cleaning applications.
Ease of use guaranteed.
Environmentally friendly solution.

Main Highlights

Versatile Cleaning Tool: You will get 1 pcs 61 inch length with 0.9 inch and 0.4 inch diameter double bristle heads pipe cleaning brush and 1 pcs 17.7 inch sink unblocking brush. Suitable for you to clean the drain hole regularly to prevent clogging
Easy To Use: Insert the sink unblocker tool into plug hole, and slightly turn to grab hairs and gunk, then slowly pull out. Just wiped firmly with kitchen roll and gave it a rinse to get rid of the remaining gunk
Environmental Protection: Remove hair, soap, food and all the build up of gunk easily and effectively without using toxic chemicals, avoiding environmental pollution
Premium Material: Our drain unblocker tool are made of durable stainless steel wire and soft nylon bristles, flexible and bendable, resistant to rust and reusable
Wide Application: 61'' pipe cleaning brush ideal for cleaning aquarium filter, fish tank, washing machine, coffee machine, fridge and car sunroof drains. 17.7'' sink unblocking brush is suitable for kitchen, bathroom, shower and bath plug

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

Vamoosh Plughole Unblocker, Drain Unblocker Bathroom - Dissolves Hair, Bleach-Free Bathroom Sink Unclogger, Septic Tank Safe, Fast Acting, Safe & Powerful - 2 Doses (600ml)

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Why We Love It

Dissolves hair without chemicals.
Septic tank safe formula.
Eco-friendly and recyclable packaging.

Main Highlights

DISSOLVES HAIR WITHOUT NASTY CHEMICALS - Blast stubborn blockages caused by hair and soap scum with this drain unclogger! Using hair-dissolving technology, it breaks down keratin in human and pet hair, leaving your drains free-flowing and odour-free.
SEPTIC TANK SAFE FORMULA - Ideal for homes with septic systems, this fast-acting bathroom drain unblocker is safe and powerful. It's safer for the environment, letting you unblock clogs worry-free.
FAST-ACTING & EASY TO USE - Simply pour half the bottle (300ml) of bathroom drain unblocker down the plughole, leave it to work for at least 30 minutes (or overnight for tougher clogs), and then flush thoroughly with hot water (2 doses per bottle)
100% RECYCLABLE & BIODEGRADABLE - The hair-dissolving experts at Vamoosh not only care for your home but also for the planet. The bottle is 100% recyclable and liquid is biodegradable, so you’re making an environmentally responsible choice.
100% CHLORINE BLEACH FREE - Formulated to be safe and effective, this non-corrosive drain unblocker won't damage your pipes, leaving your sinks & plugholes clear and free flowing.

HG ECO Drain Unblocker, Kitchen Sink & Bathroom Sink Unblocker, Heavy Duty Drain Unblocker, Bath Traps & Waste Water Pipes, Eco Conscious HG Cleaning Products, Recyclable - 1000ml (681100106)

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Why We Love It

Efficient and quick unblocking action.
Eco-friendly, non-toxic formula.
Easy and safe usage.

Main Highlights

HG Drain Unblocker liquid: Bath drain unblocker and sink unblocker liquid, ideal for use in bathrooms, kitchens, washrooms and utility rooms. The plug unblocker quickly gets rid of any blockages
Powerful plug hole unblocker: Bathroom and kitchen drains tackles and removes various blockages, including food, fat, oil and soap. This formula is kinder to the environment using non toxic chemicals
Easy to use bath unblocker: Heavy duty shower drain unblocker liquid ready to tip down the plug hole, does not require dilution. Highly concentrated, works in just 30 minutes. Simply pour, wait, flush
HG eco cleaning products for your home: HG professional grade cleaning formulas are ultra effective yet kinder to the planet. Free from preservatives, phosphates, colourings and microplastics
1 x HG ECO Drain Unblocker, 1000ml, in a bottle made of recyclable materials. Discover the range of HG household cleaning products, with HG bathroom cleaning products and HG bathroom floor cleaner

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

Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Heavy Duty Drain Gel, 2 x 500 ml

30% OffFree Shipping

Why We Love It

Powerful sink clog solution.
Efficient blockage removal strength.
Safe for all pipes.

Main Highlights

Sink 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 pipes

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

8.7

Excellent

We scanned 1370 products

We reviewed these offers relevant to the Bathroom 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 PLUMBO, Buster, HG, YUNGMAX, Vamoosh, Mr Muscle, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Bathroom Drain Cleaners And Unblockers in the market, we considered we took a deep dive into 6851 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 Eco Drain Cleaner from Plumbo - Safe and Effective Probiotic & Enzyme Formula for Mild to Moderate Blockages, Non-Toxic and Eco-Friendly, Breaks Down Grease and Organic Waste, Odour Neutralizer, 1 L. We love many things about this product by PLUMBO. What sets it apart from the competition is Cleans and deodorises effectively, Eco-friendly and safe, Powerfully effective results.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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 by Buster based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Bathroom Drain Cleaners And Unblockers and the best cost-to-value ratio is Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Heavy Duty Drain Gel, 2 x 500 mlat Mr Muscle with a 30% discount.
Our list of the best Bathroom 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 Bathroom Drain Cleaners And Unblockers in The UK

Related Deals You Might Like for Bathroom Drain Cleaners And Unblockers

Cillit Bang Hair Drain Unblocker Gel, Dissolves Hair-Based Blockages, For Showers and Baths, 1 Litre (2 Uses)

HG Drain and Plug Unblocker, Effectively Removes Blockages & Cleans Blocked Drains Fast, for Blocked Drain Pipes in Sinks or Shower Traps (1 Litre)

Mr Muscle Drain Unblocker, Drain Cleaner Power Gel, 1 Litre (Packaging May Vary)

Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, 500ml

Drain Unblocker Cleaner Brush Tool - 4PCS Shower Drain Unblocker,Double Ended Nylon Pipe Cleaner Brush,Toilet Unblocker for Bathroom Toilet Kitchen Plug Hole,Reusable Rods

Alyvisun 4Pcs Sink Cleaning Brush, Flexible Unblocker Brushes Drain Dredge Tool Snake for Kitchen Bathroom Drain and Pipe Overflow, 45cm

HG Drain and Plug Unblocker, Effectively Removes Blockages & Cleans Blocked Drains Fast, for Blocked Drain Pipes in Sinks or Shower Traps (500ml) - 139050106

Redamancy 2 PCS Sink Unblocker Cleaning Brush, 60 cm Sink Unblocker Brush, Drain Unblocker Set, Plughole Unblocker, Bathroom Pipe Unblocker, Hair Cleaner for Toilet Bathroom Kitchen Sewer

Drain Unblocker Cleaner Brush Tool - 4PCS Shower Drain Unblocker Gunk Remover Kitchen Sink Unblocker Tool, Plug Hole Unblocker Bathroom Hair Unblocker for Shower

MOXYOY 2PCS Drain Unblocker Tools, Flexible Sink Cleaning Brush 61 inch Sink Unblocker Tool & 17.7 inch Pipe Cleaner Brush for Bathroom Kitchen Sewer Plug Hole

We scanned 1370 products

We concluded that: