Best Heavy Duty Drain Cleaners And Unblockers of 2025

Last updated on 17/10/2025
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Discount
Lowest Price
ElectronicsHome & KitchenComputersOffice SuppliesToys & GamesSports & Fitness
Most Relevant
Most Relevant
Best Discount
Lowest Price
Best Choice
1
One Chem Professional Heavy Duty Drain Unblocker 2 x 5 Litres, Clears Grease, Fat, Food Deposits, Indoor and Outdoor Use
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
One Chem Professional Heavy Duty Drain Unblocker 2 x 5 Litres, Clears Grease, Fat, Food Deposits, Indoor and Outdoor Use
One Chem
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.
Show More
9.7
Exceptional
Product image 1
Product image 2
Product image 3
Product image 4
9.7
Exceptional
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.
Show More
Value for Money
2
Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
Spear & Jackson
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
Show More
9.6
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.6
Superb
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
Show More
3
One Chem - Heavy Duty Sink and Drain Unblocker Gel - 5L - Powerful Formula- Drain Opener - Pipe Cleaner - Sink Unblocker
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
One Chem - Heavy Duty Sink and Drain Unblocker Gel - 5L - Powerful Formula- Drain Opener - Pipe Cleaner - Sink Unblocker
One Chem
5% Off
Why we love it
  • Instantly clears fat deposits.
  • Dissolves all unwanted blockages.
  • Safe for all pipes.
Main Highlights
  • DRAIN UNBLOCKER LIQUID: ONE CHEM heavy duty sink and drain unblocker is a premium sink unblocker liquid designed to instantly clear fat and other deposits from your drains. These versatile products are ultimate drain unblocker tools. ONE CHEM cleaning supplies are fast acting, powerful and combine super strength action with a faultless formula
  • MULTIPURPOSE SINK UNBLOCKER TOOL: ONE CHEM drain cleaners and unblockers dissolve unwanted blockages, even through standing water. Use as a kitchen sink unblocker to remove fat, grease and food build-up and as a bathroom sink unblocker to remove soap, bath waste and hair. This debris and hair remover fights through the toughest blockages to restore a clear running drain
  • HOME IMPROVEMENT: This drain cleaner is an optimum drain cleaning tool for use on internal and external drains. Use as an outside drain unblocker to unclog and maintain drainage. Use as an outdoor drain unblocker as well as a shower unblocker to remove hair and soap residue from the shower plug hole cover and drain
  • DRAIN MAINTENANCE: Protect your shiny sinks and drains by using this drain unblocker on a regular basis. This gel will get to work quickly in unblocking and draining plug holes. The gel will maintain a fresh running drain. No cleaning gadgets required
  • SAFE FOR ALL PIPES: ONE CHEM drain unblocker is safe to use on all pipe types. This cleaner will seep through a sink strainer, bathroom plug hole, shower drain cover and kitchen sink plug with ease. This plug unblocker is a premium product to keep your pipes and drains clean and fresh
Show More
9.5
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.5
Superb
One Chem
One Chem - Heavy Duty Sink and Drain Unblocker Gel - 5L - Powerful Formula- Drain Opener - Pipe Cleaner - Sink Unblocker
5% Off
Why we love it
  • Instantly clears fat deposits.
  • Dissolves all unwanted blockages.
  • Safe for all pipes.
Main Highlights
  • DRAIN UNBLOCKER LIQUID: ONE CHEM heavy duty sink and drain unblocker is a premium sink unblocker liquid designed to instantly clear fat and other deposits from your drains. These versatile products are ultimate drain unblocker tools. ONE CHEM cleaning supplies are fast acting, powerful and combine super strength action with a faultless formula
  • MULTIPURPOSE SINK UNBLOCKER TOOL: ONE CHEM drain cleaners and unblockers dissolve unwanted blockages, even through standing water. Use as a kitchen sink unblocker to remove fat, grease and food build-up and as a bathroom sink unblocker to remove soap, bath waste and hair. This debris and hair remover fights through the toughest blockages to restore a clear running drain
  • HOME IMPROVEMENT: This drain cleaner is an optimum drain cleaning tool for use on internal and external drains. Use as an outside drain unblocker to unclog and maintain drainage. Use as an outdoor drain unblocker as well as a shower unblocker to remove hair and soap residue from the shower plug hole cover and drain
  • DRAIN MAINTENANCE: Protect your shiny sinks and drains by using this drain unblocker on a regular basis. This gel will get to work quickly in unblocking and draining plug holes. The gel will maintain a fresh running drain. No cleaning gadgets required
  • SAFE FOR ALL PIPES: ONE CHEM drain unblocker is safe to use on all pipe types. This cleaner will seep through a sink strainer, bathroom plug hole, shower drain cover and kitchen sink plug with ease. This plug unblocker is a premium product to keep your pipes and drains clean and fresh
Show More
4
5 Litre Heavy Duty Sink & Drain Unblocker Strong Cleaning Liquid Plug Hole Toilet Cleaner Tool For Home, Office, Garage & Shops (1 x 5 Litre)
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
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
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.
Show More
9.4
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.4
Superb
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.
Show More
5
Tanness 5 Litre Drain Unblocker - Heavy Duty Sink & Drain Cleaner for Plug Holes, Toilets, Showers & Pipes - Powerful Toilet & Sink Unblocker for Home, Office, Garage & Shops - Cleaning Supplies
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Tanness 5 Litre Drain Unblocker - Heavy Duty Sink & Drain Cleaner for Plug Holes, Toilets, Showers & Pipes - Powerful Toilet & Sink Unblocker for Home, Office, Garage & Shops - Cleaning Supplies
TANNESS
Why we love it
  • Powerful and effective drain solution.
  • Eliminates tough blockages quickly.
  • Prevents unpleasant odours effectively.
Main Highlights
  • POWERFUL 5 LITRE DRAIN UNBLOCKER – Strong liquid solution designed to clear blocked sinks, plug holes, drains, and toilets. Dissolves grease, food, soap, and hair quickly, making it a reliable sink unblocker and toilet unblocker heavy duty cleaner.
  • HEAVY DUTY SINK & TOILET UNBLOCKER – Effective on tough blockages in kitchens, bathrooms, showers, and utility drains. Works fast to restore free-flowing pipes and prevent unpleasant odours in your home or workplace.
  • MULTIPURPOSE DRAIN CLEANER – Versatile sink and drain cleaner that eliminates the need for a plunger sink unblocker or drain unblocker tool. Keeps drains clear and fresh for both domestic and commercial use.
  • FAST ACTING DRAIN CLEANERS AND UNBLOCKERS – Simply pour the liquid directly into the sink, shower drain, or toilet bowl and leave to work. A must-have cleaning supply for households, offices, shops, and garages.
  • RELIABLE CLEANING SOLUTION – Trusted drain cleaner liquid for regular maintenance or emergency use. Helps prevent recurring clogs and build-up, making it an essential part of everyday cleaning supplies.
Show More
9.2
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.2
Superb
TANNESS
Tanness 5 Litre Drain Unblocker - Heavy Duty Sink & Drain Cleaner for Plug Holes, Toilets, Showers & Pipes - Powerful Toilet & Sink Unblocker for Home, Office, Garage & Shops - Cleaning Supplies
Why we love it
  • Powerful and effective drain solution.
  • Eliminates tough blockages quickly.
  • Prevents unpleasant odours effectively.
Main Highlights
  • POWERFUL 5 LITRE DRAIN UNBLOCKER – Strong liquid solution designed to clear blocked sinks, plug holes, drains, and toilets. Dissolves grease, food, soap, and hair quickly, making it a reliable sink unblocker and toilet unblocker heavy duty cleaner.
  • HEAVY DUTY SINK & TOILET UNBLOCKER – Effective on tough blockages in kitchens, bathrooms, showers, and utility drains. Works fast to restore free-flowing pipes and prevent unpleasant odours in your home or workplace.
  • MULTIPURPOSE DRAIN CLEANER – Versatile sink and drain cleaner that eliminates the need for a plunger sink unblocker or drain unblocker tool. Keeps drains clear and fresh for both domestic and commercial use.
  • FAST ACTING DRAIN CLEANERS AND UNBLOCKERS – Simply pour the liquid directly into the sink, shower drain, or toilet bowl and leave to work. A must-have cleaning supply for households, offices, shops, and garages.
  • RELIABLE CLEANING SOLUTION – Trusted drain cleaner liquid for regular maintenance or emergency use. Helps prevent recurring clogs and build-up, making it an essential part of everyday cleaning supplies.
Show More
6
Households Direct Industrial Strength Sink & Drain Unblocker 5L – Heavy Duty Drain Cleaner for Kitchen, Bathroom & Commercial Use
thumbnail 1
thumbnail 2
Households Direct Industrial Strength Sink & Drain Unblocker 5L – Heavy Duty Drain Cleaner for Kitchen, Bathroom & Commercial Use
Households Direct
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
Show More
9.1
Superb
Product image 1
Product image 2
9.1
Superb
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
Show More
7
HG ECO Drain Unblocker, Kitchen Sink & Bathroom Sink Unblocker, Heavy Duty Drain Unblocker, Bath Traps & Waste Water Pipes, Eco Conscious HG Cleaning Products, Recyclable - 1000ml (681100106)
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
HG ECO Drain Unblocker, Kitchen Sink & Bathroom Sink Unblocker, Heavy Duty Drain Unblocker, Bath Traps & Waste Water Pipes, Eco Conscious HG Cleaning Products, Recyclable - 1000ml (681100106)
HG
Free Shipping
Why we love it
  • Efficient and quick unblocking action.
  • Eco-friendly, non-toxic formula.
  • Easy and safe usage.
Main Highlights
  • HG Drain Unblocker liquid: Bath drain unblocker and sink unblocker liquid, ideal for use in bathrooms, kitchens, washrooms and utility rooms. The plug unblocker quickly gets rid of any blockages
  • Powerful plug hole unblocker: Bathroom and kitchen drains tackles and removes various blockages, including food, fat, oil and soap. This formula is kinder to the environment using non toxic chemicals
  • Easy to use bath unblocker: Heavy duty shower drain unblocker liquid ready to tip down the plug hole, does not require dilution. Highly concentrated, works in just 30 minutes. Simply pour, wait, flush
  • HG eco cleaning products for your home: HG professional grade cleaning formulas are ultra effective yet kinder to the planet. Free from preservatives, phosphates, colourings and microplastics
  • 1 x HG ECO Drain Unblocker, 1000ml, in a bottle made of recyclable materials. Discover the range of HG household cleaning products, with HG bathroom cleaning products and HG bathroom floor cleaner
Show More
9.0
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.0
Superb
HG
HG ECO Drain Unblocker, Kitchen Sink & Bathroom Sink Unblocker, Heavy Duty Drain Unblocker, Bath Traps & Waste Water Pipes, Eco Conscious HG Cleaning Products, Recyclable - 1000ml (681100106)
Free Shipping
Why we love it
  • Efficient and quick unblocking action.
  • Eco-friendly, non-toxic formula.
  • Easy and safe usage.
Main Highlights
  • HG Drain Unblocker liquid: Bath drain unblocker and sink unblocker liquid, ideal for use in bathrooms, kitchens, washrooms and utility rooms. The plug unblocker quickly gets rid of any blockages
  • Powerful plug hole unblocker: Bathroom and kitchen drains tackles and removes various blockages, including food, fat, oil and soap. This formula is kinder to the environment using non toxic chemicals
  • Easy to use bath unblocker: Heavy duty shower drain unblocker liquid ready to tip down the plug hole, does not require dilution. Highly concentrated, works in just 30 minutes. Simply pour, wait, flush
  • HG eco cleaning products for your home: HG professional grade cleaning formulas are ultra effective yet kinder to the planet. Free from preservatives, phosphates, colourings and microplastics
  • 1 x HG ECO Drain Unblocker, 1000ml, in a bottle made of recyclable materials. Discover the range of HG household cleaning products, with HG bathroom cleaning products and HG bathroom floor cleaner
Show More
8
Strong Heavy Duty Industrial Sink & Drain Unblocker Cuts Through Standing Water Fast Effect 5 Litre Cleaner (1 x 5 Litre)
Strong Heavy Duty Industrial Sink & Drain Unblocker Cuts Through Standing Water Fast Effect 5 Litre Cleaner (1 x 5 Litre)
Pluto Packaging
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.
Show More
8.9
Excellent
Product image 1
8.9
Excellent
Pluto Packaging
Strong Heavy Duty Industrial Sink & Drain Unblocker Cuts Through Standing Water Fast Effect 5 Litre Cleaner (1 x 5 Litre)
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.
Show More
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)
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
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
9% Off
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.
Show More
8.8
Excellent
Product image 1
Product image 2
Product image 3
Product image 4
8.8
Excellent
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)
9% Off
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.
Show More
10
Kitchen Drain Unblocker – Extra Strong Formula – Rapid Action Cleaner & Odour Remover – Removes Blockages Fast – 5 Doses Heavy Duty Problem Solver
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Kitchen Drain Unblocker – Extra Strong Formula – Rapid Action Cleaner & Odour Remover – Removes Blockages Fast – 5 Doses Heavy Duty Problem Solver
PLUMBO
Free Shipping
Why we love it
  • Clears clogs extremely fast.
  • Gentle on pipes.
  • Prevents bad odours.
Main Highlights
  • DON’T WASTE YOUR TIME ON drain cleaners and unblockers that DON’T CLEAR CLOGS EFFECTIVELY. Plumbo EXTRA STRONG drain unblocker for kitchen sinks and drains is 3-component rapid action powder formula which blasts through blockages more effectively than any liquid or gel drain unblockers. It is formulated to DISSOLVE waste, human & pet hair, and BLOCKAGES caused by food debris, fat, grease, soap. It’s your GO-TO sink and drain unblocker for CLOGGED DRAINS from the kitchen sink.
  • UNLIKE WEAK, WATERY KITCHEN drain unblocker formulas, our Plumbo HEAVY DUTY pipe unblocker is designed to CUT THROUGH STANDING WATER to target food and fat build up, the main causes of KITCHEN BLOCKAGE. It dissolves food remains, grease, hair, and soap scum and open blockages FAST. With 5 USES PER BOTTLE, this heavy duty drain unblocker liquid formula helps PREVENT BAD ODOURS, and works especially well in KITCHEN SINKS AND DRAINS.
  • POWERFUL YET GENTLE ON PIPES. Our RAPID ACTION and NON-ACID proprietary formula is uniquely formulated to OPEN DRAINS QUICKLY WITHOUT DAMAGING pipes – including porcelain, brazed joints, enamel, or septic tanks. This heavy duty drain unblocker can be used in ALL MODERN PLASTIC PIPES made of polypropylene, polyethylene, and PVC. Do not use our KITCHEN UNBLOCKER in washing machines or dishwashers, and avoid spilling on composite sinks, aluminum, gold, brass, and anodized objects.
  • Plumbo drain unblocker will CLEAR CLOGS QUICKER and more EFFECTIVELY than any other NON-ACID FORMULAS. Whether it's the TOUGHEST FULL BLOCKAGE or slow draining water, the Plumbo powder gets to work EXTREMELY FAST, and makes the kitchen plugholes FREE FLOWING again. 5 DOSES PER BOTTLE. Follow the instructions on the label thoroughly, and pour the suggested amount of drain unblocker POWDER down your drain and LET SIT for UP TO 30 MINUTES. Flush with plenty of hot or boiling water.
  • AT PLUMBO, WE’RE COMMITTED TO providing you with POWERFULLY EFFECTIVE drain unblockers that GET THE JOB DONE RIGHT. As a trusted brand from Norway SINCE 1909, our potent kitchen sink unblocker is a unique 3-COMPONENT formula that CLEARS CLOGS EXTREMELY FAST, WITHOUT DAMAGING your plumbing – for THE STRONGST NON-ACID drain unblocker you can always count on. WE PUT OUR CUSTOMERS FIRST – if for any reason you aren’t satisfied with your drain unblocker hair liquid, our team is standing by to help.
Show More
8.8
Excellent
Product image 1
Product image 2
Product image 3
Product image 4
8.8
Excellent
PLUMBO
Kitchen Drain Unblocker – Extra Strong Formula – Rapid Action Cleaner & Odour Remover – Removes Blockages Fast – 5 Doses Heavy Duty Problem Solver
Free Shipping
Why we love it
  • Clears clogs extremely fast.
  • Gentle on pipes.
  • Prevents bad odours.
Main Highlights
  • DON’T WASTE YOUR TIME ON drain cleaners and unblockers that DON’T CLEAR CLOGS EFFECTIVELY. Plumbo EXTRA STRONG drain unblocker for kitchen sinks and drains is 3-component rapid action powder formula which blasts through blockages more effectively than any liquid or gel drain unblockers. It is formulated to DISSOLVE waste, human & pet hair, and BLOCKAGES caused by food debris, fat, grease, soap. It’s your GO-TO sink and drain unblocker for CLOGGED DRAINS from the kitchen sink.
  • UNLIKE WEAK, WATERY KITCHEN drain unblocker formulas, our Plumbo HEAVY DUTY pipe unblocker is designed to CUT THROUGH STANDING WATER to target food and fat build up, the main causes of KITCHEN BLOCKAGE. It dissolves food remains, grease, hair, and soap scum and open blockages FAST. With 5 USES PER BOTTLE, this heavy duty drain unblocker liquid formula helps PREVENT BAD ODOURS, and works especially well in KITCHEN SINKS AND DRAINS.
  • POWERFUL YET GENTLE ON PIPES. Our RAPID ACTION and NON-ACID proprietary formula is uniquely formulated to OPEN DRAINS QUICKLY WITHOUT DAMAGING pipes – including porcelain, brazed joints, enamel, or septic tanks. This heavy duty drain unblocker can be used in ALL MODERN PLASTIC PIPES made of polypropylene, polyethylene, and PVC. Do not use our KITCHEN UNBLOCKER in washing machines or dishwashers, and avoid spilling on composite sinks, aluminum, gold, brass, and anodized objects.
  • Plumbo drain unblocker will CLEAR CLOGS QUICKER and more EFFECTIVELY than any other NON-ACID FORMULAS. Whether it's the TOUGHEST FULL BLOCKAGE or slow draining water, the Plumbo powder gets to work EXTREMELY FAST, and makes the kitchen plugholes FREE FLOWING again. 5 DOSES PER BOTTLE. Follow the instructions on the label thoroughly, and pour the suggested amount of drain unblocker POWDER down your drain and LET SIT for UP TO 30 MINUTES. Flush with plenty of hot or boiling water.
  • AT PLUMBO, WE’RE COMMITTED TO providing you with POWERFULLY EFFECTIVE drain unblockers that GET THE JOB DONE RIGHT. As a trusted brand from Norway SINCE 1909, our potent kitchen sink unblocker is a unique 3-COMPONENT formula that CLEARS CLOGS EXTREMELY FAST, WITHOUT DAMAGING your plumbing – for THE STRONGST NON-ACID drain unblocker you can always count on. WE PUT OUR CUSTOMERS FIRST – if for any reason you aren’t satisfied with your drain unblocker hair liquid, our team is standing by to help.
Show More

We scanned 439 products

We reviewed these offers relevant to the Heavy Duty 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 One Chem, Spear & Jackson, STORM TRADING GROUP, TANNESS, Households Direct, HG, Pluto Packaging, MultiWare, PLUMBO, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Heavy Duty Drain Cleaners And Unblockers 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: