10 Best Smelly Drain Cleaner Bathroom in The UK
Last updated on 12/09/2025
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Best Choice
1
Smelly Drain Cleaner Tablets, 25 Pack Sink Drain Cleaner Quickly Eliminates Odors, Drains Smell Eliminator for Sewer, Toilet and Septic Tank, Sink Smell Eliminator Effervescent Tablets, 1 Year Supply
Halldeli
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Halldeli
Smelly Drain Cleaner Tablets, 25 Pack Sink Drain Cleaner Quickly Eliminates Odors, Drains Smell Eliminator for Sewer, Toilet and Septic Tank, Sink Smell Eliminator Effervescent Tablets, 1 Year Supply
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Why We Love It
- Powerful odor removal capabilities.
- Easy to use and effective.
- Safe for children and pets.
Main Highlights
- POWERFUL DEODORIZATION AND DECONTAMINATION: Say goodbye to the odor troubles in the sewer! Our drain smell eliminator can quickly penetrate deep into the pipes, easily remove dirt and odors, and restore freshness to the kitchen and bathroom. No need to worry about the odor of the sewer, fast and effective, the air is refreshed!
- EASY TO USE: The operation is super simple! Just put the smelly drain cleaner into the sink or bathtub pipe, then pour in 60-degree hot water and wait for 10-20 minutes. When used in the toilet, put it directly in and flush it after it dissolves. The drain unblocker effervescent tablet "works magic" in the water pipe, you can relax and wait, and enjoy the freshness easily!
- SAFE FORMULA, WORRY-FREE: Our sink smell eliminator uses natural ingredients, no irritating odors or substances, gentle and safe. Make every corner of the house fresh, whether there are children, pets, or the elderly at home, you can breathe with confidence.
- INDEPENDENT PACKAGING, SUPER LONG USE: Each piece of our sink drain cleaner is individually packaged, there is no need to worry about premature dissolution due to moisture, and there is no need to worry about becoming crushed during delivery and dirtying the house, which is convenient for storage. One box can provide a year's use, which is super cost-effective and convenient. Buy it once and use it for a long time!
- USAGE TIPS: For best results, please avoid using these drain smell eliminator tablets on pipes made of copper, cast iron, rubber, etc. For stubborn odors, the cleaning effect may vary. Use as needed to ensure the best results!
- INTIMATE AFTER-SALES GUARANTEE: Our after-sales service is super considerate! If you have any questions or problems with our smelly drain cleaner you received, feel free to contact us and we will provide you with a quick solution so that you can use it worry-free every time!
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Value for Money
2
HG drain odour remover 0.5kg
HG
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HG
HG drain odour remover 0.5kg
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Why We Love It
- Effectively cleans and deodorises drains.
- Removes deposits causing smell.
- Easy and efficient usage.
Main Highlights
- HG Drain Odour Remover: Effectively cleans & de-odourises smelly kitchen or bathroom drains in just 30 minutes, leaving them smelling fresh again
- For sinks, drains, toilets & shower trays: Drains can become smelly because of deposits on their walls. Fortunately this drain odour eliminator removes the deposits that cause the smell
- Enough for 10 treatments: Safe for use in the home. Works fast, removes nasty niffs & lets the water flow freely again. Ideal for the bathroom, shower, utility & washbasin drains
- Effective & easy to use: The self-acting smell remover formula does the hard work, so you don’t have to. No additional tools are required & sinks will be odour-free again
- 500ml HG Drain Odour Remover: Rinse the drain first with hot water. Add 50g (5 caps) of odour remover granules directly to the drain. Leave for 30 minutes & rinse thoroughly with hot water
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3
Buster Sanitiser Gel Berry, 300ml – Stop Smelly Plugholes, Sinks & Drains - Removes Stains & Kills 99.9% Germs - Fast Acting - Long Lasting Sink & Drain Freshener
Buster
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Buster
Buster Sanitiser Gel Berry, 300ml – Stop Smelly Plugholes, Sinks & Drains - Removes Stains & Kills 99.9% Germs - Fast Acting - Long Lasting Sink & Drain Freshener
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Why We Love It
- Kills germs and nasty smells.
- Deep cleaning for plugholes.
- Long-lasting berry blast fragrance.
Main Highlights
- PLUGHOLE SANITISER GEL - Buster Berry Plughole Sanitiser Gel powerfully eliminates bacteria and odours in sinks and overflows, leaving behind a long-lasting active berry scent.
- TARGETS GRIME & BACTERIA - Its unique gel formula coats the plughole pipe, quickly killing bacteria, eliminating odours, and tackling stains in sinks and overflows for deep down freshness.
- FOR BATHROOM & KITCHEN PLUGHOLES - Buster Plughole Sanitiser Gel is specifically formulated to eliminate grime and bacteria from kitchen and bathroom plugholes and pipes, and it's also safe to use on septic systems.
- KILLS NASTY SMELLS AND GERMS - See results fast! Buster's formula works in just 30 minutes to kill nasty smells and 99.9% of germs, plus it effectively removes stains from overflows and stainless steel sinks.
- YOUR PLUGHOLE EXPERTS - Trust our 35+ years of expertise in plughole care. Our effective and no-fuss products handle everything from clearing blockages, preventing future ones, to deep drain cleaning and sanitising.
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4
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
Buster
21% OffFree Shipping
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Buster
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
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5
Drain Mate Plug Hole, Sink & Drain Freshener – 12 Sachets, Eliminates Odors & Prevents Blockages for Clean, Fresh Drains
Drain Mate
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Drain Mate
Drain Mate Plug Hole, Sink & Drain Freshener – 12 Sachets, Eliminates Odors & Prevents Blockages for Clean, Fresh Drains
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Why We Love It
- Ensures cleanliness and freshness.
- Eliminates unwanted odours effectively.
- Maintains Stainless Steel quality.
Main Highlights
- MAX STRENGTH FOR ODOUR ELIMINATION: Drain Mate’s powerful formula tackles strong, stubborn odours in your kitchen sink and bathroom plug hole, cutting through grime and debris that cause unpleasant smells. Perfect for regular maintenance or tackling occasional blockages, it’s ideal for anyone who loves a fresh-smelling home.
- 12 PACK FOR LONG LASTING FRESHNESS: Each box contains 12 sachets, ensuring you have enough to keep your drains fresh for weeks. Ideal for routine monthly maintenance or as a quick fix whenever unwanted odours arise in your sink plug or drains.
- SAFE FOR STAINLESS STEEL & CERAMIC SINKS: Designed to be safe on stainless steel and ceramic, this cleaner ensures your sinks and plug holes stay in top condition without damage. Great for keeping sinks looking shiny and new!
- EFFECTIVE IN BOTH KITCHEN & BATHROOM SINKS: Drain Mate’s versatile formula works wonders in any sink or drain, from the kitchen to the bathroom. Whether it’s the kitchen sink with leftover food or the bathroom plug hole with soap scum, it’s a go-to solution for all.
- PERFECT FOR BUSY HOUSEHOLDS & SEPTIC SYSTEMS: Whether you have a bustling home or a quieter setting, these sachets fit seamlessly into any cleaning routine. Safe for use in septic tanks, they provide a hassle-free solution for maintaining clean, clear drains.
- CONVENIENT 30g SACHETS FOR PRECISION CLEANING: Each 30g sachet is perfectly portioned for optimal cleaning, so there’s no guesswork. Just open one sachet, pour, and rinse. With Drain Mate, cleaning is as easy as it gets!
- CLEANS, FRESHENS AND DEODORISES DRAINS: These sachets do more than clean—they leave behind a fresh, citrus fragrance that fills the room. Ideal for anyone who enjoys a clean-smelling kitchen or bathroom, it’s perfect for homes with multiple bathrooms or large families.
- HASSLE FREE SINGLE USE SACHETS: These single-use sachets make cleaning sinks and drains simple and straightforward. Just open, pour, and flush with hot water. Designed to be quick and efficient, this product takes the hassle out of regular sink and plug hole cleaning.
- REMOVES BUILD UP AND PREVENTS BLOCKAGES: Say goodbye to unpleasant surprises like clogged drains and stubborn blockages. This formula actively reduces debris build-up, keeping water flowing smoothly for longer-lasting performance.
- LEAVES A DELIGHTFUL, CLEAN SMELL: The fresh citrus scent left behind brightens your kitchen and bathroom, creating an inviting atmosphere. Enjoy a fresh-smelling home without lingering odours, perfect for entertaining guests or daily comfort.
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6
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
PLUMBO
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PLUMBO
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
Free Shipping
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.
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7
Zep Drain Bioclean & Odour Control - 1l, Drain Unblocker For Preventive Maintenance To Keep Drains Unblocked, Perfect For Bad Smells, Sink Cleaner For Smelling Sinks, Zep Commercial
Zep
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Zep
Zep Drain Bioclean & Odour Control - 1l, Drain Unblocker For Preventive Maintenance To Keep Drains Unblocked, Perfect For Bad Smells, Sink Cleaner For Smelling Sinks, Zep Commercial
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Why We Love It
- Eco-friendly drain care solution.
- Prevents odour problems efficiently.
- Tackles tough blockages steadily.
Main Highlights
- An easy and eco-friendly way to look after your drains, the best thing for smelly drains.
- Enzyme-based formula prevents odour problems in the drain.
- Perfect for regular maintenance – simply use 30-60ml every two weeks.
- Slowly works through tougher blockages.
- Blocked drains require 500ml followed by 500ml of warm water, and a 6-8 hour wait.
- Safe for use in all drains around the home.
- Works best when applied at night for preventative maintenance.
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8
Cillit Bang 3-in-1 Power Cleaner Odour Stop Drain Unblocker Gel, Drain Cleaner For Kitchen Sink Drains, Bathroom Showers, Baths & Basins (Pack of 5)
Cillit Bang
16% OffFree Shipping
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Cillit Bang
Cillit Bang 3-in-1 Power Cleaner Odour Stop Drain Unblocker Gel, Drain Cleaner For Kitchen Sink Drains, Bathroom Showers, Baths & Basins (Pack of 5)
16% OffFree Shipping
Why We Love It
- Works in just 5 minutes.
- Eliminates odour-causing bacteria.
- Recyclable bottle packaging.
Main Highlights
- WORKS IN 5 MINUTES: Cillit Bang 3-in-1 Power Cleaner Odour Stop Drain Unblocker Gel has a powerful formula that works in as little as 5 minutes; It specifically build up of sludge, dirt or other materials and breaks them up, keeping your pipes clean and water flowing freely
- CLEANS AND FRESHENS: Cillit Bang's odour-eliminating gel targets odour-causing bacteria that live in your kitchen sink drains, bathroom showers, baths and basins
- WORKS EVEN IN STANDING WATER: Cillit Bang 3-in-1 Drain Unblocker Gel unblocks, freshens and deep cleans your drains, even in standing water
- SAFE FOR ALL PIPES: Our powerful drain unblocker gel only gets to work on nasty blockages building up in your drains and leave your pipes cleaner and fresher than before
- BOTTLE CAN BE RECYCLED
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9
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
Buster
25% OffFree Shipping
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Buster
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
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10
Kilrock SLAM - Sink and Plughole Bathroom Drain Unblocker - Multi-Pack x12 - Dissolves Grease, Fat & Food - For Smelly Drains
Kilrock
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Kilrock
Kilrock SLAM - Sink and Plughole Bathroom Drain Unblocker - Multi-Pack x12 - Dissolves Grease, Fat & Food - For Smelly Drains
Why We Love It
- Powerful for severe blockages.
- No mess, no fuss.
- Convenient, fast-acting formula.
Main Highlights
- ✓ KILROCK SLAM BATHROOM SINK AND PLUGHOLE UN-BLOCKER - One shot unblocks your Bathroom plughole with ease. 12x Shots
- ✓ EFFICIENT: Kilrock Slam Bathroom Plughole Unblocker rapidly eliminates severe bathroom obstructions without creating any mess or troublesome odors. Removes and dissolves hair, grease, and soap scum from drains
- ✓ EASY TO USE - Simply pour the contents of the sachet down the bathroom plughole, pour a litre of very hot water down and leave it for 3 minutes to work it's magic
- ✓ ORIGINAL KILROCK FORMULA: This powerful formula effectively tackles stubborn bathroom blockages with no mess and no fuss
- ✓ MADE IN THE U.K. From our factory in Chesham, Buckinghamshire, we design, formulate, blend, fill, pack, sell and distribute a full range of specialist household problem-solving and cleaning products
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