10 Best Chemical Toilet Drain Unblocker Liquid Heavy Duty in The UK
Last updated on 06/09/2025
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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
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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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Green Gobbler Dissolve Tub, Sink & Drain Unblocker - Toilet Liquid Drain Cleaner & Hair Clog Remover Tool - 916ml
Green Gobbler
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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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Green Gobbler - Industrial Strength Clog Remover - Liquid Drain Unblocker & Cleaner - For Toilets, Sinks, Tubs - Septic Safe - 946 ml
Green Gobbler
Free Shipping
Green Gobbler
Green Gobbler - Industrial Strength Clog Remover - Liquid Drain Unblocker & Cleaner - For Toilets, Sinks, Tubs - Septic Safe - 946 ml
Free Shipping
Why We Love It
- Clears clogs effortlessly and quickly.
- Versatile for all drains.
- Safe for septic systems.
Main Highlights
- Highly Effective Formula: Green Gobbler Clog Remover unblocks drains without the need for plunging. It dissolves hair, soap, toilet paper, flushable wipes, and other organic matter causing clogs
- Easy-to-Use Packaging: Our 946 ml jug features a convenient design that allows for straightforward application, ensuring you can tackle tough clogs quickly and efficiently without the need for additional tools or measuring
- Versatile and Safe: Suitable for toilets, sinks, tubs, and showers. Our non-corrosive formula is free from bleach and sodium hydroxide, ensuring no damage to your pipes
- Septic Safe: Use with confidence knowing Green Gobbler is safe for septic systems. It effectively eliminates clogs without causing harm to your plumbing
- How to Use: Pour 1/2 bottle into tubs and sinks or use an entire bottle for toilets. Wait 5-15 minutes or preferably over night for best results. Flush with hot water
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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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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
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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
Free 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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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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HG Duo Unblocker, Powerful Drain Cleaner & Drain Unblocker, Kitchen Sink Unblocker & Bathroom Sink Unblocker, Pipe Cleaner, Plug Hole Liquid & Hair Unblocker - 2x 250ml
HG
Free Shipping
HG
HG Duo Unblocker, Powerful Drain Cleaner & Drain Unblocker, Kitchen Sink Unblocker & Bathroom Sink Unblocker, Pipe Cleaner, Plug Hole Liquid & Hair Unblocker - 2x 250ml
Free Shipping
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
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Green Gobbler Drain Unblocker PACS | Hair Clog Remover | Toilet Clog Remover | Sinks & Tub Drain Cleaner | 3 Pac with Free Hair Grabber Tool
Green Gobbler
Free Shipping
Green Gobbler
Green Gobbler Drain Unblocker PACS | Hair Clog Remover | Toilet Clog Remover | Sinks & Tub Drain Cleaner | 3 Pac with Free Hair Grabber Tool
Free Shipping
Why We Love It
- Easy to use, no mess.
- Effective against common blockages.
- Safe and fully guaranteed.
Main Highlights
- EASY TO USE: Fast and Powerful Single Use Pacs, No Measuring, No Guessing How Much To Use, No Mess. For Toilet clogs. ALL ORDERS INCLUDE 1 Hair Grabber Tool
- WORKS FOR: Bathroom Sinks, Bath Tubs, Showers, Toilets, Kitchen Sinks, Floor Drains, Slop Sinks, Urinals, RV Drains and More
- EFFECTIVE AGAINST: Grease, Hair, Toilet Paper, Soap Scum, Organic Materials, Body Oils, Calcium and Lime Buildup, Rust, Flushable Baby Wipes, Toothpaste, Shampoo Residue, Iron Buildup
- SAFER: alternative for picpes compared to toxic and dangerous liquid drain chemicals
- GUARANTEE : We value our customers and we stand behind ALL of our products 100 percent 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
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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.