10 Best Toilet Drain Cleaners And Unblockers in The UK

Last updated on 26/06/2025

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Green Gobbler Drain Unblocker | Toilet Unblocker | Dissolve Hair & Organic Materials from Clogged Toilets, Sinks and Drains | Drain Cleaner and Opener, 128 oz

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Why We Love It

Efficiently dissolves common clog sources.
Multipurpose and septic-safe.
Assures 30-day money back.

Main Highlights

DISSOLVES HAIR, SOAP, TOILET PAPER & FLUSHABLE PERSONAL CARE WIPES: Forget the dirty work of plunging clogged toilets and end backed-up drains once and for all! The highly effective formula of Green Gobbler clears clogged drains and dissolves hair, toilet paper, flushable personal care wipes, soap scum and other organic matter that may be causing clogs within your pipes
MULTIPLE USES: This drain opener is safe to use in pipes, toilets, sinks, tubs, and showers and is safe for septic systems. Our formula Is non-corrosive to pipes and does not contain bleach or sodium hydroxide
MONEY BACK GUARENTEE: Green Gobbler offers a 30-day hassle-free money back guarantee. Simply contact our customer service team if you are unhappy with your results. Limit (1) item per customer

Green Gobbler Dissolve Tub, Sink & Drain Unblocker - Toilet Liquid Drain Cleaner & Hair Clog Remover Tool - 916ml

20% OffFree 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.

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

20% Off

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.

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

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.

Juegot Bathroom Drain Unblocker, Drain Cleaner, Sink Unblocker, Kitchen Unclog Shower Drains, Pipe unblocking for toilets, Tubs, Shower or Sink Drains, Unclogs and Hair 260g

Free Shipping

Why We Love It

Powerful clog removal formula.
Safe for all pipe types.
Easy application for quick results.

Main Highlights

Powerful Formula for Clogged Drains: Effectively clears tough blockages in sinks, showers, and pipes caused by grease, hair, soap scum, and other common clogs. Works quickly to restore smooth water flow.
Safe for Pipes and Septic Systems: Safe for use on all types of pipes, including PVC, metal, and older plumbing systems. Compatible with septic tanks.
Easy-to-Use Application: Simply pour the product into the drain, wait for the recommended time, and flush with water. Perfect for both DIY home maintenance and professional use.
Multi-Purpose Drain Cleaning: Suitable for kitchen sinks, bathroom drains, bathtubs, and shower pipes. Prevents future buildup and helps maintain a clean and odor-free drainage system.
Multiple Uses: Available in 260g, providing great value and ensuring you're prepared for any drain emergency. Trusted by households and professionals alike.

Bathroom Drain Unblocke Drain Cleaner Toilet Unblocker Toilet Liquid Kitchen Sink

Free Shipping

Why We Love It

Efficiently removes stubborn blockages.
Safe for all pipe materials.
Quick and easy to use.

Main Highlights

Efficient Blockage Removal: Using advanced foam technology, our wild tornado sink and drain cleaner can penetrate deep into the pipes and easily dissolve common blockages such as grease, hair and food residues. Wild sink and drain cleaner can restore the water pipes to a smooth flow in just a few minutes, ensuring that your kitchen sink, washbasin, toilet and floor drain are in the best condition.
Safe and Environmentally Friendly Formula: Our drainage unblocker specially developed a safe and non-corrosive formula that ensures the cleaning effect without causing any damage to the pipe material. Whether it is a plastic or metal sewer pipe, you can use foaming drain cleaner with confidence to provide an extra layer of protection for your family.
Easy and Fast Operation: Toilet drain unblocker does not require professional tools or complicated steps, and the entire cleaning process can be completed in just a few simple steps. First, pour an appropriate amount of toilet unblocker liquid into the blockage, wait for a while for it to work, and then rinse with plenty of water.
Long-Lasting Fresh Air: In addition to its powerful decontamination ability, sink and drain unblocker also has excellent deodorization function. Caustic soda drain unblocker can completely eliminate unpleasant odors caused by residues, bringing a long-lasting fresh air experience to your home environment. Especially suitable for spaces such as kitchens and bathrooms that are prone to odors.
Versatile Application Scenarios: No matter where in the house you encounter the problem of poor drainage, drain cleaners and unblockers can come in handy. From the kitchen sink to the washbasin, toilet and even the floor drain, only one bottle of drain cleaners is needed to meet the needs of the whole family.

Strong Industrial Toilet Cleaner 5 Litre Heavy Duty Sink & Drain Unblocker Suitable For Home, Office & Shops (1 x 5 Litres)

Why We Love It

Fast and reliable unblocking solution.
Prevents recurring pipe blockages.
Safe for all pipes.

Main Highlights

Designed to unblock drains and sinks from blockages caused by food and hair, this solution is extremely reliable and fast it gets to work in under 5 minutes and effectively unclogs your sinks and drains with just one dose.
The solution prevents your shower and sink from filling up with water due to blockages, this formula is powerful enough to break through blockages that have been left to build up over time.
We recommend you use this formula on a regular basis to help maintain your pipes and drains and prevent any further blockages.
Safe to use on all kinds of pipes around the home, office, workplaces, shops and canteens. Easy to use simply 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.

Powerful Drain Cleaner & Unblocker l 1KG Caustic Soda | Fast-Acting, Heavy-Duty Sink & Drain Cleaner | Strong & Effective | The Original & Best l Works 3x Better Than Bleach (Packaging Varies)

Why We Love It

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Main Highlights

Drain cleaners and unblockers 1KG Caustic Soda Drain Cleaner Caustic Soda Powder Sink and Drain cleaner strong the original and best drain cleaner kitchen drain unblocker
Product type: DRAIN OPENER SUBSTANCE
Power unblocker to destroy the toughest clogs in your drain
3x stronger than bleach in removing hair-based clogs
Penetrates standing water to clear blocked drains quickly
Safe for all types of plumbing systems
Industrial Strength Formula, Fast Action
Brand : The Retail Heaven

Kilrock Rhino 1 Litre Heavy Duty Drain & Toilet Unblocker High Strength

Why We Love It

Clears stubborn blockages effortlessly.
Effective against multiple clogs.
Industrial strength performance guaranteed.

Main Highlights

Drain cleaner 1 liter.-rhino
High strength industrial product for toilets and drains
bulldozes about pretty much everything
Fat and grease, hair & soap. Food residue, limescale, toilet paper"

8.9

Excellent

We scanned 319 products

We reviewed these offers relevant to the Toilet 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 Green Gobbler, STORM TRADING GROUP, Buster, MultiWare, Juegot, ExcellaElite, STAR SUPPLIES, The Retail Heaven, Kilrock, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Toilet Drain Cleaners And Unblockers in the market, we considered we took a deep dive into 1596 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 Green Gobbler Drain Unblocker | Toilet Unblocker | Dissolve Hair & Organic Materials from Clogged Toilets, Sinks and Drains | Drain Cleaner and Opener, 128 oz. We love many things about this product by Green Gobbler. What sets it apart from the competition is Efficiently dissolves common clog sources, Multipurpose and septic-safe. , Assures 30-day money back.
The best value product for most shoppers and where user satisfaction is continuously the highest is Green Gobbler Dissolve Tub, Sink & Drain Unblocker - Toilet Liquid Drain Cleaner & Hair Clog Remover Tool - 916ml by Green Gobbler based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Toilet Drain Cleaners And Unblockers and the best cost-to-value ratio is MultiWare Drain Unblocker | Sink Unblocker | Heavy Duty Drain Cleaner | Toilet Unblocker | Dissolves Clogs Grease Hair Soap | Easy To Use | Safe For ALL Pipes (1)at MultiWare with a 26% discount.
Our list of the best Toilet 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 Toilet Drain Cleaners And Unblockers in The UK

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We scanned 319 products

We concluded that: