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10 bestDrain Cleanersof November 2025

112M consumers helped this year.

31% off

1

Buster Bathroom Drain Unblocker 300ml, Pack of 2 – Sink Unblocker Removes Hair & Sludge in Showers, Baths & Sinks. Fast-Acting Shower Drain Unblocker Clears Blockages & Slow-Draining Water

Buster Bathroom Drain Unblocker 300ml, Pack of 2 – Sink Unblocker Removes Hair & Sludge in Showers, Baths & Sinks. Fast-Acting Shower Drain Unblocker Clears Blockages & Slow-Draining Water

Buster Bathroom Drain Unblocker 300ml, Pack of 2 – Sink Unblocker Removes Hair & Sludge in Showers, Baths & Sinks. Fast-Acting Shower Drain Unblocker Clears Blockages & Slow-Draining Water

Buster

9.9

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2

Buster Clean & Fresh Granules, 300g, 6 Pack, Tackle Smells and Stains for Clean and Fresh Plugholes, Drains, Dishwashers and Washing Machines - Fast Acting and Lasting Results

Buster Clean & Fresh Granules, 300g, 6 Pack, Tackle Smells and Stains for Clean and Fresh Plugholes, Drains, Dishwashers and Washing Machines - Fast Acting and Lasting Results

Buster Clean & Fresh Granules, 300g, 6 Pack, Tackle Smells and Stains for Clean and Fresh Plugholes, Drains, Dishwashers and Washing Machines - Fast Acting and Lasting Results

Buster

9.8

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3

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)

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)

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)

Cillit Bang

9.6

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4

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

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

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

Spear & Jackson

9.4

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10% off

5

HG Drain & Plug Hair Unblocker, Removes Hair from Pipes & Drains – 200ml + 250ml

HG Drain & Plug Hair Unblocker, Removes Hair from Pipes & Drains – 200ml + 250ml

HG Drain & Plug Hair Unblocker, Removes Hair from Pipes & Drains – 200ml + 250ml

HG

9.2

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OtherRelated productsUp to 5% off

HG Kitchen Drain & Plug Unblocker, Natural, Heavy Duty, Kitchen Sink Unblocker & Cleaner for Pipes, Septic Tank Safe - 1 Litre

HG Kitchen Drain & Plug Unblocker, Natural, Heavy Duty, Kitchen Sink Unblocker & Cleaner for Pipes, Septic Tank Safe - 1 Litre

HG Duo Unblocker, Powerful Drain Cleaner & Drain Unblocker, Kitchen Sink Unblocker & Bathroom Sink Unblocker, Pipe Cleaner, Plug Hole Liquid & Hair Unblocker - 2x 250ml

HG Duo Unblocker, Powerful Drain Cleaner & Drain Unblocker, Kitchen Sink Unblocker & Bathroom Sink Unblocker, Pipe Cleaner, Plug Hole Liquid & Hair Unblocker - 2x 250ml

HOMAITER Drain Unblocker, Powerful Cleaner Formula, 260g, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems

HOMAITER Drain Unblocker, Powerful Cleaner Formula, 260g, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems

Powerful Drain Cleaner & Unblocker l 1KG Caustic Soda | Fast-Acting, Heavy-Duty Sink & Drain Cleaner | Strong & Effective | The Original & Best l (Packaging Varies) (1KG, 1, count)

Powerful Drain Cleaner & Unblocker l 1KG Caustic Soda | Fast-Acting, Heavy-Duty Sink & Drain Cleaner | Strong & Effective | The Original & Best l (Packaging Varies) (1KG, 1, count)

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)

5 Litre Heavy Duty Sink & Drain Unblocker Strong Cleaning Liquid Plug Hole Toilet Cleaner Tool For Home, Office, Garage & Shops (1 x 5 Litre)

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

8.9

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7

HOMAITER Drain Unblocker, 2PCS Powerful Cleaner Formula, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems

HOMAITER Drain Unblocker, 2PCS Powerful Cleaner Formula, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems

HOMAITER Drain Unblocker, 2PCS Powerful Cleaner Formula, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems

HOMAITER

8.7

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9% off

8

Buster Plughole Sanitiser Gel, 6x300ml, Stop Smelly Plugholes and Drains Fast and Tackle Stains in Stainless Steel Sinks and Overflows-Deep Down Freshness and Fast Results

Buster Plughole Sanitiser Gel, 6x300ml, Stop Smelly Plugholes and Drains Fast and Tackle Stains in Stainless Steel Sinks and Overflows-Deep Down Freshness and Fast Results

Buster Plughole Sanitiser Gel, 6x300ml, Stop Smelly Plugholes and Drains Fast and Tackle Stains in Stainless Steel Sinks and Overflows-Deep Down Freshness and Fast Results

Buster

8.5

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9% off

9

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

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

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

One Chem

8.2

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22% off

10

Buster Kitchen Plughole Unblocker 150g, Pack of 3 - Kitchen Drains & Sinks Unblocker, Blasts Fat & Food Debris – Fast Acting Plughole Unclogger, Clears Blockages & Slow-Draining Water

Buster Kitchen Plughole Unblocker 150g, Pack of 3 - Kitchen Drains & Sinks Unblocker, Blasts Fat & Food Debris – Fast Acting Plughole Unclogger, Clears Blockages & Slow-Draining Water

Buster Kitchen Plughole Unblocker 150g, Pack of 3 - Kitchen Drains & Sinks Unblocker, Blasts Fat & Food Debris – Fast Acting Plughole Unclogger, Clears Blockages & Slow-Draining Water

Buster

7.9

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