Best Industrial Drain Cleaner of 2025
Last updated on 18/09/2025
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Best Choice
1
Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
Spear & Jackson
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Spear & Jackson
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
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Value for Money
2
Drain Unblocker 5 Litres | Commercial Grade | Scrub Hero | Heavy-Duty Drain Cleaning Power for Drains | 5 Litres
Scrub Hero
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Scrub Hero
Drain Unblocker 5 Litres | Commercial Grade | Scrub Hero | Heavy-Duty Drain Cleaning Power for Drains | 5 Litres
Why we love it
- Industrial strength for tough clogs.
- Safe for all plumbing types.
- Easy to use and effective.
Main Highlights
- Built for Heavy Use: Ideal for commercial kitchens, shared bathrooms, salons, or any setting where drains are under constant stress.
- Industrial Strength Performance: Tackles the toughest blockages caused by hair, grease, soap residue, and other debris. When other products fail, Scrub Hero delivers.
- Pipe-Safe Technology: Formulated to work safely on all plumbing types, including PVC, copper, and metal piping.
- Hair & Gunk Eliminator: Specifically crafted to break down thick hair clogs and the sludge that causes slow drains.
- Built for Heavy Use: Ideal for commercial kitchens, shared bathrooms, salons, or any setting where drains are under constant stress.
- Trusted by Professionals: Developed with commercial-grade quality to meet the demands of high-traffic spaces.
- Easy Application: No complicated steps—just pour it in, let it work, and flush. Clean drains made simple.
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3
One Chem Professional Heavy Duty Drain Unblocker 2 x 5 Litres, Clears Grease, Fat, Food Deposits, Indoor and Outdoor Use
One Chem
9% Off
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One Chem
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.
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4
Blockbuster Drain Unblocker 5L – Heavy Duty Outdoor & Indoor Drain Cleaner – Fast-Acting Grease, Fat & Hair Remover – Ideal for Kitchen, Bathroom, Exterior Drains & Pipes
Jennychem Industrial Chemicals
12% Off
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Jennychem Industrial Chemicals
Blockbuster Drain Unblocker 5L – Heavy Duty Outdoor & Indoor Drain Cleaner – Fast-Acting Grease, Fat & Hair Remover – Ideal for Kitchen, Bathroom, Exterior Drains & Pipes
12% Off
Why we love it
- Heavy Duty Power Cleans Blockages.
- Fast-Acting Formula Restores Flow.
- Safe for Pipes and Plumbing.
Main Highlights
- ✅ Heavy Duty Drain Cleaning Power – Dissolves tough blockages caused by fat, oil, grease, hair, food, and organic waste.
- ✅ Fast-Acting Formula – Works quickly to clear slow-draining or fully blocked pipes and restore flow in minutes.
- ✅ For Outdoor & Indoor Use – Designed for kitchens, bathrooms, toilets, exterior drains, patios, and commercial systems.
- ✅ Easy Pour 5L Size – Supplied in a large-capacity container with an easy-pour neck – perfect for homes, landlords, and professionals.
- ✅ Safe for Pipes – Tough on blockages but non-corrosive to standard pipework when used as directed.
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5
Green Gobbler - Industrial Strength Clog Remover - Liquid Drain Unblocker & Cleaner - For Toilets, Sinks, Tubs - Septic Safe - 946 ml
Green Gobbler
Free Shipping
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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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6
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
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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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7
Drain Unblocker 260g, Heavy Duty Drain Cleaner for Kitchen Sink, Toilet, Shower and Outdoor Pipes, Sink Unblocker for Hair, Grease and Food Clogs (1)
Galitoon
Free Shipping
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Galitoon
Drain Unblocker 260g, Heavy Duty Drain Cleaner for Kitchen Sink, Toilet, Shower and Outdoor Pipes, Sink Unblocker for Hair, Grease and Food Clogs (1)
Free Shipping
Why we love it
- Powerful, effective clog removal.
- Multi-purpose for all drains.
- Fast, easy application process.
Main Highlights
- Powerful Clog Remover: Designed for tough kitchen and bathroom clogs, this 260g drain unblocker granules effectively dissolve hair, grease, food residue, and soap scum. Say goodbye to slow drains and blockages with this fast-acting solution that keeps pipes flowing smoothly
- Multi-Purpose Drain Cleaner for All Pipes: Works great on kitchen sinks, toilets, bathtubs, showers, and outdoor drains. Whether it’s your bathroom, garden pipe, or public drain, this versatile drain cleaner powder provides heavy-duty unclogging power where you need it most
- Fast-Acting & Easy to Use: No plunger or snake needed! Simply pour the sink unblocker into the drain, add hot water, wait 15–30 minutes, and flush. For stubborn clogs, repeat as needed. It’s a mess-free and convenient way to clear your pipes without professional help
- Long-Lasting & Economical: Each 260g toilet unblocker provides multiple treatments, making it a cost-effective choice for regular pipe maintenance. Keep one at home for emergency clogs and routine use—save time and money on plumbing services
- Usage Tips: For best results, avoid use the shower unblocker on old metal pipes such as copper or cast iron. Always test in a small area first. Store in a dry place, tightly sealed. Use gloves when handling. Not for use in garbage disposals or standing water
- After-Sales Guarantee: If you have any questions or problems with our drain unblocker you received, feel free to contact us and we will provide you with a quick solution!
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8
Households Direct Industrial Strength Sink & Drain Unblocker 5L – Heavy Duty Drain Cleaner for Kitchen, Bathroom & Commercial Use
Households Direct
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Households Direct
Households Direct Industrial Strength Sink & Drain Unblocker 5L – Heavy Duty Drain Cleaner for Kitchen, Bathroom & Commercial Use
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
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9
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
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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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10
HOMAITER Drain Unblocker, Powerful Cleaner Formula, 260g, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems
HOMAITER
Free Shipping
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HOMAITER
HOMAITER Drain Unblocker, Powerful Cleaner Formula, 260g, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems
Free Shipping
Why we love it
- Instantly clears tough clogs.
- Safe for all plumbing types.
- Easy and quick to use.
Main Highlights
- Instantly Clears Blocked Drains: HOMAITER Drain Unblocker is a powerful and effective solution for clearing clogged drains. Quickly dissolves hair, grease, soap scum, and food build-up without damaging your plumbing
- friendly product: Ideal for homeowners, renters, and anyone who faces recurring drain issues. Perfect for busy kitchens, bathrooms, and showers, clog remover for sink is your go-to solution for maintaining clean and free-flowing drains
- Multiple Uses: Best drain cleaner, safe for use in both kitchen and bathroom drains, it provides a quick, easy fix for stubborn clogs. Simply pour, wait, and enjoy free-flowing drains in minutes
- 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: Simply pour and wait 5-10 minutes for quick results—no need for tools. Gentle on your plumbing while effectively clearing tough clogs
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