10 Best Toilet Drain Unblocker Liquid Heavy Duty in The UK
Last updated on 04/09/2025
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Best Choice
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Luigi's World's Best Toilet Plunger - Plunger Toilet Unblocker Heavy Duty - Plungers for Unblocking - Unique Strongest Unblocker Tool - Plungers for Unblocking - Clog Remover Tool
Luigi's
25% OffFree Shipping
Luigi's
Luigi's World's Best Toilet Plunger - Plunger Toilet Unblocker Heavy Duty - Plungers for Unblocking - Unique Strongest Unblocker Tool - Plungers for Unblocking - Clog Remover Tool
25% OffFree Shipping
Why We Love It
- Secure grip for confident use.
- Powerfully breaks up deep blockages.
- Generates 8x more plunger force.
Main Highlights
- Powerful Water-Driven Unclogging: This plunger uses water pressure instead of air to clear blockages, eliminating clogs without a seal. It works on all toilet types, including low-flow and elongated designs.
- Specifically Designed For Toilets: Featuring a narrow nozzle, this plunger targets toilet clogs directly. No perfect seal is needed, ensuring 100% effectiveness on even the toughest blockages.
- Effortless Cleaning And Storage: Add bleach to the toilet and plunge clean water to clear residue. The detachable handle makes it easy to store in small cupboards or tight bathroom spaces.
- Heavy-Duty Performance For Tough Clogs: With eight times the force of standard plungers, this tool easily clears wet wipes, kids’ toys, and stubborn blockages without extra effort.
- Universal Fit For All Toilets: No need to worry about your toilet's shape—this plunger works on low-flow, square, elongated, and modern toilets, delivering powerful results every time.
Value for Money
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Green Gobbler - Main Line Drain Opener - Toilet Unblocker, Dissolve Hair & Organic Materials from Clogged Toilets, Sinks and Drains - Drain Cleaner and Unblocker - 3,8 L
Green Gobbler
Free Shipping
Green Gobbler
Green Gobbler - Main Line Drain Opener - Toilet Unblocker, Dissolve Hair & Organic Materials from Clogged Toilets, Sinks and Drains - Drain Cleaner and Unblocker - 3,8 L
Free Shipping
Why We Love It
- Efficiently dissolves common clog sources.
- Multipurpose and septic-safe.
- Assures 30-day money back.
Main Highlights
- Dissolves Tough Clogs: Green Gobbler's powerful formula clears clogged drains by dissolving hair, soap, toilet paper, flushable wipes, and other organic materials, eliminating the need for plunging
- Versatile Use Drain Cleaner: Safe for use in pipes, toilets, sinks, tubs, and showers. The non-corrosive formula is also safe for septic systems and does not contain bleach or sodium hydroxide
- High-Density Formula: The thick, high-density formula sinks through standing water to reach problem areas, ensuring effective clog removal without damaging PVC, ABS, copper, or cast-iron pipes
- Easy Application: The pre-measured formula makes it simple to use with no measuring required. Just pour, wait, and rinse for quick results
- How to Use: Pour entire bottle into the toilet on the first floor. Close lid and flush once to distribute the product through the pipes. Overnight use for best results
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5 Litre Heavy Duty Sink & Drain Unblocker Strong Cleaning Liquid Plug Hole Toilet Cleaner Tool For Home, Office, Garage & Shops (1 x 5 Litre)
STORM TRADING GROUP
STORM TRADING GROUP
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.
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Green Gobbler Dissolve Tub, Sink & Drain Unblocker - Toilet Liquid Drain Cleaner & Hair Clog Remover Tool - 916ml
Green Gobbler
Free Shipping
Green Gobbler
Green Gobbler Dissolve Tub, Sink & Drain Unblocker - Toilet Liquid Drain Cleaner & Hair Clog Remover Tool - 916ml
Free Shipping
Why We Love It
- Hassle-free money back guarantee.
- Rapidly dissolves hair, grease.
- Effective and easy use.
Main Highlights
- 30 DAY HASSLE FREE MONEY BACK GUARANTEE – We value our customers and we stand behind ALL of our products 100% with no questions asked! If you are not pleased simply call or email us with your order number and we will reimburse you in FULL! QUICKLY DISSOLVE HAIR AND GREASE: Green Gobblers highly effective biodegradable formula liquifies grease, hair, paper, soap scum and other organic materials that are causing clogs.
- WORKS WITHIN MINUTES: Unclog drains and liquify hair within minutes. This drain opener works in pipes, toilets, sinks, tubs, showers.
- REVOLUTIONARY FORMULA: Highly effective biodegradable sink cleaner with rapid hair dissolve technology.
- CLEAN AND MAINTAIN PIPES & DRAINS: The ultra-thick formula of Green Gobbler’s hair clog remover cleans and clings to pipes to keep them free-flowing and working.
- EASY AND EFFECTIVE: The most effective way to open up drains and pipes and dissolve deep sitting clogs. Safer than sodium hydroxide and faster than most drain uncloggers on the market.
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2PCS Powerful Sink &Drain Cleaner,Drain Unblocker,Drain Unblocker Liquid Heavy Duty,Dra/in Clog Remover,Dra/in Unblocker Liquid Heavy Duty,Foam Drain Cleaner,Toilet Un/blocker,Safe for All Pipes
Fankayi
Free Shipping
Fankayi
2PCS Powerful Sink &Drain Cleaner,Drain Unblocker,Drain Unblocker Liquid Heavy Duty,Dra/in Clog Remover,Dra/in Unblocker Liquid Heavy Duty,Foam Drain Cleaner,Toilet Un/blocker,Safe for All Pipes
Free Shipping
Why We Love It
- Effective at breaking down blockages.
- Safe for daily household use.
- Easy and quick application process.
Main Highlights
- 2PCS POWERFUL SINK &DRAIN CLEANER:Our drain unblocker can effectively break down hair,oil and other blockages,and restore smooth water flow.The foam formula of this sink unblocker can penetrate deep into the pipes and remove stubborn dirt.Whether it's a kitchen sink,a bathroom floor drain or a toilet,our toilet unblocker can handle them all with ease.After using this drain cleaner,the drainage speed has been significantly improved,reducing the trouble of water accumulation
- SAFETY FORMULA: This toilet unblocker heavy duty is formulated with mild ingredients.Our foam drain cleaner are more reassuring to use and suitable for daily household cleaning.Even if this shower drain unblocker is used frequently,it will not cause damage to the water pipes.Meanwhile,our drain unblocker liquid heavy duty do not produce unpleasant odors and are more comfortable to clean
- LONG-LASTING CLEANING: This outdoor drain unblocker can not only quickly unclog but also helps eliminate odours caused by blockages.Our drain cleaners and unblockers effectively decompose,reduce the accumulation of dirt in pipes,and maintain a fresh environment.After using this toilet unblocker liquid,the drain pipe is less likely to get clogged again and maintenance is more worry-free.Long-term use of our strongest toilet unblocker can improve the overall drainage condition and make the home environment more hygienic
- SIMPLE OPERATION: This kitchen sink unblocker does not require complicated steps.Just pour it in,let it stand for a moment and then rinse it.Even in the depths of hard-to-reach pipes,the foam of this bathroom drain unblocker can cover and function.Our bathroom sink unblocker do not require additional tools and can be cleaned by a single person.This shower unblocker saves time and energy,making household chores more efficient
- MULTI-FUNCTIONAL APPLICABILITY: Our buster bathroom plug unblocker are suitable for various drainage scenarios such as kitchen sinks,bathroom floor drains,toilets,and washbasins.One bottle of this drain foam cleaner can solve all the piping problems in your house without the need to purchase multiple cleaning industrial drain unblocker.Whether it's daily maintenance or stubborn blockages,our outside drain unblocker can effectively deal with them.This drain unblocker bathroom is a practical helper for household cleaning,keeping the pipes unobstructed all the time
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MultiWare 5 Litre Heavy Duty Sink & Drain Unblocker | Strong Cleaning | Liquid Plug Hole Toilet Cleaner Tool For Home, Office, Garage & Shops (1 x 5 Litre)
MultiWare
MultiWare
MultiWare 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
- Powerfully clears stubborn clogs.
- Safe for all pipes.
- Offers rapid, efficient results.
Main Highlights
- MULTIWARE POWERFUL DRAIN UNBLOCKER - Experience the strength of MultiWare's industrial-grade formula, specifically engineered to dissolve stubborn clogs quickly and efficiently. This powerful cleaner tackles everything from hair and soap scum to grease and food particles, ensuring your drains are free-flowing and clean.
- SAFE FOR ALL PIPES - MultiWare Sink and Drain Unblocker is thoughtfully formulated to be safe for use in all plumbing systems. Whether your home uses modern PVC, traditional copper, or older metal piping, you can trust our product to clear clogs without causing any damage or corrosion.
- RAPID RESULTS - Get quick results when time is of the essence. Our unblocker works within minutes to remove obstructions and restore optimal flow to slow drains, saving you both time and frustration. Simply follow the easy instructions for immediate relief.
- EASY TO USE - Avoid expensive plumber calls with MultiWare's easy-to-use drain solution. Our clear, step-by-step guide allows anyone to professionally handle drain maintenance. Just pour the recommended amount into the drain, wait for the formula to work its magic, and rinse away the residues.
- VERSATILE APPLICATIONS - Not just for kitchen sinks, MultiWare's Drain Unblocker is also effective in bathrooms, on shower drains, and even outdoor drains exposed to leaves and debris. Its versatility makes it a must-have in any home or commercial setting to tackle a variety of blockage issues.
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Zep Commercial Unblocker Heat Drain Liquid
Zep
8% OffFree Shipping
Zep
Zep Commercial Unblocker Heat Drain Liquid
8% OffFree Shipping
Why We Love It
- Melts blockages for easy drain.
- Battles grease, fat effortlessly.
- Safe for plastic components.
Main Highlights
- Heavy duty formulations melts tough blockages
- destroys grease, fat &
- food build-up effortlessly
- this professional-strength formula is safe for Plastic pimples
- Destroys grease, fat & food build-up effortlessly
- This professional-strength formula is safe for Plastic pimples
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Unibos | 5 Litre Sink & Drain Unblocker & Cleaning Liquid | Plug Hole Toilet Cleaner Tool | Industrial Heavy Duty
Unibos
Unibos
Unibos | 5 Litre Sink & Drain Unblocker & Cleaning Liquid | Plug Hole Toilet Cleaner Tool | Industrial Heavy Duty
Why We Love It
- Tackles stubborn blockages effectively.
- Maintains free-running water easily.
- Safe for all plumbing systems.
Main Highlights
- ✅𝗛𝗘𝗔𝗩𝗬 𝗗𝗨𝗧𝗬 𝗣𝗘𝗥𝗙𝗢𝗥𝗠𝗔𝗡𝗖𝗘: Swiftly tackles stubborn blockages caused by grease, hair, soap scum & other debris, ensuring efficient drainage every time.
- ✅𝗣𝗢𝗪𝗘𝗥𝗙𝗨𝗟 𝗙𝗢𝗥𝗠𝗨𝗟𝗔:Works deep within pipes to resolve blockages at their source. Regular use helps maintain free-running water & prevents future issues.
- ✅𝗜𝗡𝗗𝗢𝗢𝗥 & 𝗢𝗨𝗧𝗗𝗢𝗢𝗥 𝗨𝗦𝗘: Ideal for sinks, drains & pipes inside your home or outdoors. Safe for all types of plumbing systems & ensures odour-free drainage.
- ✅𝗦𝗜𝗠𝗣𝗟𝗘 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡: Pour 1 litre of the unblocker into the affected area, wait at least 5 minutes, or up to 1 hour for tough blockages, then flush with water for best results.
- ✅𝗪𝗜𝗗𝗘 𝗖𝗢𝗠𝗣𝗔𝗧𝗜𝗕𝗜𝗟𝗜𝗧𝗬: Suitable for kitchen sinks, bathroom drains, shower pipes & more, making it perfect for both residential & commercial use.
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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, Duo Pack, (2 x 1L)
Mr Muscle
Free Shipping
Mr Muscle
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)
Free Shipping
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
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Max Strength Drain Unblocker, 1L, Heavy Duty Toilet Unblocker, Sink Unblocker and Drain Cleaner for Kitchen and Bathroom Drains, Fast-Acting Shower Drain Unblocker, Easy to Use Sink Cleaner
Max
15% OffFree Shipping
Max
Max Strength Drain Unblocker, 1L, Heavy Duty Toilet Unblocker, Sink Unblocker and Drain Cleaner for Kitchen and Bathroom Drains, Fast-Acting Shower Drain Unblocker, Easy to Use Sink Cleaner
15% OffFree Shipping
Why We Love It
- Maximum strength for tough blockages.
- Versatile usage in home spaces.
- Convenient and easy to use.
Main Highlights
- EFFORTLESSLY UNBLOCKS CLOGGED DRAINS - with a maximum strength formula, this heavy duty drain unblocker destroys even the toughest clogs or blockages in your pipes and leaves them flowing freely and smoothly
- FOR BOTH KITCHEN AND BATHROOM – versatile pipe unblocker works perfectly in both the kitchen and bathroom which makes it the ideal kitchen sink unblocker for your home to clear pipes blocked with hair, residue, grease, food and more
- DESIGNED FOR ALL PIPES - not only is this shower drain unblocker effective, but it's also made with a safe formula that can be used in all types of pipes, including PVC and metal, so it doesn't cause any damage to your plumbing
- EASY TO USE - simply pour the toilet unblocker liquid down the blocked drain, leave for 15 minutes and flush with hot water to unblock toilet, sink and shower for clean, free-flowing pipes
- MADE IN THE UK - our entire range has been formulated to offer maximum cleaning power with minimum effort. All distinctively fragranced and great value for MAX-imum satisfaction