10 Best Industrial Drain Cleaner in The UK

Last updated on 08/08/2025

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One Chem Professional Heavy Duty Drain Unblocker 2 x 5 Litres, Clears Grease, Fat, Food Deposits, Indoor and Outdoor Use

9% Off

Why We Love It

Powerful and effective formula.
Reduces build-ups and blockages.
Easy and safe usage.

Main Highlights

Powerful Formula: One Chem Heavy Duty Indoor and Outdoor Drain Unblocker is a specially formulated liquid that clears grease, fat, and food deposits in drains, gulleys, and waste outlet pipes.
Maintenance: This liquid also helps maintain sinks and drains to reduce build-ups and blockages.
Usage Instructions: Wear gloves, place bottle on a flat surface, push down on the cap and turn anti-clockwise, pour 500ml of liquid down the drain taking care not to splash in eyes, allow to dwell for a minimum of 3 hours but preferably overnight, then flush with plenty of water.
Effective Dwell Time: For best results, allow the liquid to dwell for as long as possible, with a minimum of 3 hours but preferably overnight.

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)

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

Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)

Why We Love It

Effective on tough blockages.
Safe for all pipes.
Experienced, reputable brand.

Main Highlights

SPEAR & JACKSON CLEANING PRODUCTS: Since 1760 Spear and Jackson has been selling hand, garden, contractors, agricultural, landscaping and professional tools from its base in the city of Sheffield. Their range of cleaning products are made to target tough stains, grease, grim and fat. Their Heavy Duty Outdoor Drain Unblocker Gel is designed to clear any deposits that are blocking your sink, leaving it draining smoothly
SINK UNBLOCKER LIQUID GEL: Spear and Jackson's Heavy Duty Sink And Drain Unblocker comes in gel form and is designed to dissolve the fat, food, hair or soap residue build up that's blocking your sink. Their heavy duty sink and drain unblocker gel will instantly clear and dissolve the unwanted blockage, and with the sink freshener element of the gel, your sink will be look and smell brand new
BATHROOM & KITCHEN SINK UNBLOCKER: With no drain snake require, this product really couldn't be any easier to use. The gel will dissolve any build up that is causing a blockage in your sink or drain in 3 hours. Ideal for the kitchen or bathroom sink, however this Heavy Duty Sink & Drain Unblocker works on exterior drains just as well. In comparison to other drain cleaners and unblockers on the market, this product has a powerful formulation that achieves results in rapid speed
BATHROOM CLEANING PRODUCTS: Spear and Jackson's fast acting, powerful and effective sink and drain unblocker liquid is perfectly safe to use on all pipe types. For the best results, pour the heavy duty drain unblocker down the plughole, leave for a minimum of 3 hours (preferably overnight) and finish off by flushing the drain with hot water for at least 2 minutes to completely free any blockages - it's really that easy!
SPEAR & JACKSON: With over 250 years experience and continuous innovation, Spear and Jackson have built an enviable reputation with their market leading products that offer high quality performance tools to suit a wide range of needs. Whether you're looking to unblock your sink drain or a concentrated mould, algae and moss spray then shop Spear and Jackson range of versatile, effective and long lasting cleaning products

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.

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

Free Shipping

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.

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.

Households Direct Industrial Strength Sink & Drain Unblocker 5L – Heavy Duty Drain Cleaner for Kitchen, Bathroom & Commercial Use

8% Off

Why We Love It

Tough on stubborn clogs.
Versatile for any drain.
Hassle-free long-term solution.

Main Highlights

INDUSTRIAL STRENGTH: Professional-grade drain unblocker formulated for tough blockages in domestic and commercial settings
VERSATILE APPLICATION: Suitable for use in kitchen sinks, bathroom drains, and commercial plumbing systems
LARGE CAPACITY: 5-litre container provides multiple applications for long-term drain maintenance
FAST-ACTING FORMULA: Heavy-duty chemical composition works quickly to dissolve stubborn clogs and build-up
PREVENTIVE MAINTENANCE: Regular use helps prevent future blockages and maintains proper drain flow

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.

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

Strong Heavy Duty Industrial Sink & Drain Unblocker Cuts Through Standing Water Fast Effect 5 Litre Cleaner (1 x 5 Litre)

8% Off

Why We Love It

Unclogs water in minutes.
Effective on various drains.
Safe for all pipes.

Main Highlights

5 Litre heavy duty industrial sink and drain unblocker is designed to cut through standing water that has been caused due to food being trapped in drain pipes or either a build up of hair stuck in showers. It effectively unclogs your sinks in just one dose and gets to work in less than 5 minutes so you can have running water again.
The powerful formula cuts through standing water, clogged toilets and sinks, this is a essential cleaning product used in most homes, offices, workplaces, canteens and shops.
Sink and drain unblocker can be used for sinks, showers, toilets, drains, outdoor drains it powers through to the source of the blockage to resolve the issue and give you free running water again.
We recommend you use this on a regular basis to ensure pipes and drains remain problem free, our solution is safe for use on all pipes and is very 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.

8.8

Excellent

Save 8%

We scanned 439 products

We reviewed these offers relevant to the Industrial Drain Cleaner 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 One Chem, Cillit Bang, Spear & Jackson, STORM TRADING GROUP, Zep, STAR SUPPLIES, Households Direct, MultiWare, The Retail Heaven, Pluto Packaging, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Industrial Drain Cleaner in the market, we considered we took a deep dive into 2196 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 One Chem Professional Heavy Duty Drain Unblocker 2 x 5 Litres, Clears Grease, Fat, Food Deposits, Indoor and Outdoor Use. We love many things about this product by One Chem. What sets it apart from the competition is Powerful and effective formula, Reduces build-ups and blockages, Easy and safe usage.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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) by Cillit Bang based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Industrial Drain Cleaner and the best cost-to-value ratio is One Chem Professional Heavy Duty Drain Unblocker 2 x 5 Litres, Clears Grease, Fat, Food Deposits, Indoor and Outdoor Useat One Chem with a 9% discount.
Our list of the best Industrial Drain Cleaner 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 Industrial Drain Cleaner in The UK

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We scanned 439 products

We concluded that: