Best Drain Hair Unblocker Liquid Heavy Duty of 2025

Last updated on 19/10/2025
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1
Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
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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
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9.8
Exceptional
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9.8
Exceptional
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
5 Litre Heavy Duty Sink & Drain Unblocker Strong Cleaning Liquid Plug Hole Toilet Cleaner Tool For Home, Office, Garage & Shops (1 x 5 Litre)
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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
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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9.7
Exceptional
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9.7
Exceptional
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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3
One Chem - Heavy Duty Sink and Drain Unblocker Gel - 5L - Powerful Formula- Drain Opener - Pipe Cleaner - Sink Unblocker
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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
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9.7
Exceptional
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9.7
Exceptional
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
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4
Zep Commercial Unblocker Heat Drain Liquid
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Zep Commercial Unblocker Heat Drain Liquid
Zep
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 &amp
  • 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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9.5
Superb
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9.5
Superb
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 &amp
  • 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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5
GLEAN Drain Cleaner Liquid | 1L | Shower, Bath, Kitchen Sink Unblocker | Toilet Unblocker Liquid | Drain Odour Remover | Bath Declogger | Clog Clearer
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GLEAN Drain Cleaner Liquid | 1L | Shower, Bath, Kitchen Sink Unblocker | Toilet Unblocker Liquid | Drain Odour Remover | Bath Declogger | Clog Clearer
GLEAN
21% OffFree Shipping
Why we love it
  • Clears hair and sludge quickly.
  • Safe for septic systems usage.
  • Effective for outdoor drain cleaning.
Main Highlights
  • Targets Hair & Sludge - GLEAN 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. Can be used as a pipeline dredging agent, sink unblocker liquid heavy duty, sink and drain unblocker, Sink and Drain Cleaner and a Toilet Unblocker Heavy Duty.
  • For Showers, Baths & Basins - GLEAN 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. A great product as a bathroom drain unblocker or as a kitchen drain unblocker but also as a shower drain cleaner.
  • Stops Slow Draining Water & Blockages - Whether it’s a full blockage or slow draining water, GLEAN’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. One of the better industrial drain unblocker(s) on the market. Used as a drain hair unblocker but is also acted as a drain smell eliminator at the same time. As well as a wild sink and drain cleaner.
  • Outdoor Usages - Great use as an outside drain unblocker and for all outdoor elements that helps to create cleaner outdoor spaces as a wild drain cleaner and as a smelly drain cleaner.
  • Perfect For All Bathroom Drainage Needs - Whether it is the toilet, shower or bath our product only needs 15 minutes before it starts working effectively to help as a shower drain unblocker and as a drain cleaner for bad smells, designed to help as a drain hair remover.
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9.3
Superb
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9.3
Superb
GLEAN
GLEAN Drain Cleaner Liquid | 1L | Shower, Bath, Kitchen Sink Unblocker | Toilet Unblocker Liquid | Drain Odour Remover | Bath Declogger | Clog Clearer
21% OffFree Shipping
Why we love it
  • Clears hair and sludge quickly.
  • Safe for septic systems usage.
  • Effective for outdoor drain cleaning.
Main Highlights
  • Targets Hair & Sludge - GLEAN 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. Can be used as a pipeline dredging agent, sink unblocker liquid heavy duty, sink and drain unblocker, Sink and Drain Cleaner and a Toilet Unblocker Heavy Duty.
  • For Showers, Baths & Basins - GLEAN 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. A great product as a bathroom drain unblocker or as a kitchen drain unblocker but also as a shower drain cleaner.
  • Stops Slow Draining Water & Blockages - Whether it’s a full blockage or slow draining water, GLEAN’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. One of the better industrial drain unblocker(s) on the market. Used as a drain hair unblocker but is also acted as a drain smell eliminator at the same time. As well as a wild sink and drain cleaner.
  • Outdoor Usages - Great use as an outside drain unblocker and for all outdoor elements that helps to create cleaner outdoor spaces as a wild drain cleaner and as a smelly drain cleaner.
  • Perfect For All Bathroom Drainage Needs - Whether it is the toilet, shower or bath our product only needs 15 minutes before it starts working effectively to help as a shower drain unblocker and as a drain cleaner for bad smells, designed to help as a drain hair remover.
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6
Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack, (2 x 1L)
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Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack, (2 x 1L)
Mr Muscle
Free Shipping
Why we love it
  • Powerfully tackles tough clogs.
  • Quick-action, efficient unblocking.
  • Safe for all pipes.
Main Highlights
  • Sink power unblocker to destroy the toughest clogs in your drain
  • Blocked drain cleaner for dissolving clogs caused by debris in sinks, plugholes and pipes
  • 3x more effective than bleach as a pipe unblocker based on hair removal in laboratory testing
  • Cuts through standing water to unblock plugholes
  • Mr Muscle drain unblocker is safe for use on all types of pipe
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9.3
Superb
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9.3
Superb
Mr Muscle
Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack, (2 x 1L)
Free Shipping
Why we love it
  • Powerfully tackles tough clogs.
  • Quick-action, efficient unblocking.
  • Safe for all pipes.
Main Highlights
  • Sink power unblocker to destroy the toughest clogs in your drain
  • Blocked drain cleaner for dissolving clogs caused by debris in sinks, plugholes and pipes
  • 3x more effective than bleach as a pipe unblocker based on hair removal in laboratory testing
  • Cuts through standing water to unblock plugholes
  • Mr Muscle drain unblocker is safe for use on all types of pipe
Show More
7
Jeyes Drain Unblocker (2L) - Outdoor Drain Unblocker Liquid Heavy Duty - Dissolves Grease, Hair and Food Waste - Powerful Formula Works in 30 Minutes - Easy to Use, No Dilution - Cleans and Deodorises
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Jeyes Drain Unblocker (2L) - Outdoor Drain Unblocker Liquid Heavy Duty - Dissolves Grease, Hair and Food Waste - Powerful Formula Works in 30 Minutes - Easy to Use, No Dilution - Cleans and Deodorises
Jeyes
Why we love it
  • Clears blockages quickly and effectively.
  • Thick formula tackles tough elements.
  • Long-lasting freshness for outdoor drains.
Main Highlights
  • NO MORE BLOCKED DRAINS – Say goodbye to slow-draining, smelly outdoor drains. Simply pour in Jeyes drain unclogger and let the heavy-duty formula work fast, clearing blockages and keeping your outdoor space fresh
  • POWERFUL THICK FORMULA – Unlike other outside drain cleaners and unblockers, Jeyes is tough on grease, hair, soap scum, food waste and leaves. The thick, clinging formula breaks down blockages fast, keeping drains clear and deodorised year round
  • WORKS IN 30 MINUTES – Quick and easy to use with no dilution required, this outside drain unblocker gets to work quickly. In just 30 minutes, it unblocks, cleans and deodorises, keeping your drains clear with minimal effort
  • IDEAL FOR OUTDOOR DRAINS – Jeyes heavy duty drain unblocker is the perfect solution for clearing clogged outdoor drains and keeping them fresh. Simply pour and leave it to work, then rinse for an instantly refreshed drain with no lingering odours
  • THE ORIGINAL OUTDOOR CLEANER – Jeyes has been keeping outdoor spaces clean and protected since 1877. Trusted by generations, with over 145 years' expertise, our products fight dirt, stains, bacteria and germs to make outdoor cleaning easier than ever
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9.2
Superb
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9.2
Superb
Jeyes
Jeyes Drain Unblocker (2L) - Outdoor Drain Unblocker Liquid Heavy Duty - Dissolves Grease, Hair and Food Waste - Powerful Formula Works in 30 Minutes - Easy to Use, No Dilution - Cleans and Deodorises
Why we love it
  • Clears blockages quickly and effectively.
  • Thick formula tackles tough elements.
  • Long-lasting freshness for outdoor drains.
Main Highlights
  • NO MORE BLOCKED DRAINS – Say goodbye to slow-draining, smelly outdoor drains. Simply pour in Jeyes drain unclogger and let the heavy-duty formula work fast, clearing blockages and keeping your outdoor space fresh
  • POWERFUL THICK FORMULA – Unlike other outside drain cleaners and unblockers, Jeyes is tough on grease, hair, soap scum, food waste and leaves. The thick, clinging formula breaks down blockages fast, keeping drains clear and deodorised year round
  • WORKS IN 30 MINUTES – Quick and easy to use with no dilution required, this outside drain unblocker gets to work quickly. In just 30 minutes, it unblocks, cleans and deodorises, keeping your drains clear with minimal effort
  • IDEAL FOR OUTDOOR DRAINS – Jeyes heavy duty drain unblocker is the perfect solution for clearing clogged outdoor drains and keeping them fresh. Simply pour and leave it to work, then rinse for an instantly refreshed drain with no lingering odours
  • THE ORIGINAL OUTDOOR CLEANER – Jeyes has been keeping outdoor spaces clean and protected since 1877. Trusted by generations, with over 145 years' expertise, our products fight dirt, stains, bacteria and germs to make outdoor cleaning easier than ever
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8
Vamoosh Plughole Unblocker, Drain Unblocker Bathroom - Dissolves Hair, Bleach-Free Bathroom Sink Unclogger, Septic Tank Safe, Fast Acting, Safe & Powerful - 2 Doses (600ml)
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Vamoosh Plughole Unblocker, Drain Unblocker Bathroom - Dissolves Hair, Bleach-Free Bathroom Sink Unclogger, Septic Tank Safe, Fast Acting, Safe & Powerful - 2 Doses (600ml)
Vamoosh
Free Shipping
Why we love it
  • Dissolves hair without chemicals.
  • Septic tank safe formula.
  • Eco-friendly and recyclable packaging.
Main Highlights
  • DISSOLVES HAIR WITHOUT NASTY CHEMICALS - Blast stubborn blockages caused by hair and soap scum with this drain unclogger! Using hair-dissolving technology, it breaks down keratin in human and pet hair, leaving your drains free-flowing and odour-free.
  • SEPTIC TANK SAFE FORMULA - Ideal for homes with septic systems, this fast-acting bathroom drain unblocker is safe and powerful. It's safer for the environment, letting you unblock clogs worry-free.
  • FAST-ACTING & EASY TO USE - Simply pour half the bottle (300ml) of bathroom drain unblocker down the plughole, leave it to work for at least 30 minutes (or overnight for tougher clogs), and then flush thoroughly with hot water (2 doses per bottle)
  • 100% RECYCLABLE & BIODEGRADABLE - The hair-dissolving experts at Vamoosh not only care for your home but also for the planet. The bottle is 100% recyclable and liquid is biodegradable, so you’re making an environmentally responsible choice.
  • 100% CHLORINE BLEACH FREE - Formulated to be safe and effective, this non-corrosive drain unblocker won't damage your pipes, leaving your sinks & plugholes clear and free flowing.
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9.1
Superb
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9.1
Superb
Vamoosh
Vamoosh Plughole Unblocker, Drain Unblocker Bathroom - Dissolves Hair, Bleach-Free Bathroom Sink Unclogger, Septic Tank Safe, Fast Acting, Safe & Powerful - 2 Doses (600ml)
Free Shipping
Why we love it
  • Dissolves hair without chemicals.
  • Septic tank safe formula.
  • Eco-friendly and recyclable packaging.
Main Highlights
  • DISSOLVES HAIR WITHOUT NASTY CHEMICALS - Blast stubborn blockages caused by hair and soap scum with this drain unclogger! Using hair-dissolving technology, it breaks down keratin in human and pet hair, leaving your drains free-flowing and odour-free.
  • SEPTIC TANK SAFE FORMULA - Ideal for homes with septic systems, this fast-acting bathroom drain unblocker is safe and powerful. It's safer for the environment, letting you unblock clogs worry-free.
  • FAST-ACTING & EASY TO USE - Simply pour half the bottle (300ml) of bathroom drain unblocker down the plughole, leave it to work for at least 30 minutes (or overnight for tougher clogs), and then flush thoroughly with hot water (2 doses per bottle)
  • 100% RECYCLABLE & BIODEGRADABLE - The hair-dissolving experts at Vamoosh not only care for your home but also for the planet. The bottle is 100% recyclable and liquid is biodegradable, so you’re making an environmentally responsible choice.
  • 100% CHLORINE BLEACH FREE - Formulated to be safe and effective, this non-corrosive drain unblocker won't damage your pipes, leaving your sinks & plugholes clear and free flowing.
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9
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
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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.
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8.9
Excellent
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8.9
Excellent
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.
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10
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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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
22% OffFree 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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8.8
Excellent
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8.8
Excellent
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
22% OffFree 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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We scanned 1565 products

We reviewed these offers relevant to the Drain Hair Unblocker Liquid Heavy Duty 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 Spear & Jackson, STORM TRADING GROUP, One Chem, Zep, GLEAN, Mr Muscle, Jeyes, Vamoosh, TANNESS, Buster, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Drain Hair Unblocker Liquid Heavy Duty in the market, we considered we took a deep dive into 7826 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: