BEST DEALS THIS WEEK

10 Best Strong Drain Unblocker - May 2026

19M consumers helped this year.

Last Updated: 27-05-2026

1

Mr Muscle Drain Unblocker Liquid (2 x 1L), Sink & Drain Cleaner, Strong & Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes

Mr Muscle Drain Unblocker Liquid (2 x 1L), Sink & Drain Cleaner, Strong & Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes

Mr Muscle

9.8

9.8

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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)

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

9.6

9.6

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3

Powerful Drain Cleaner & Unblocker l 1KG Caustic Soda | Fast-Acting, Heavy-Duty Sink & Drain Cleaner | Strong & Effective | The Original & Best l Works 3x Better Than Bleach (Packaging Varies)

Powerful Drain Cleaner & Unblocker l 1KG Caustic Soda | Fast-Acting, Heavy-Duty Sink & Drain Cleaner | Strong & Effective | The Original & Best l Works 3x Better Than Bleach (Packaging Varies)

The Retail Heaven

9.5

9.5

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4

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

9.2

9.2

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5

Mr Muscle Drain Unblocker Liquid (1L), Sink & Drain Cleaner, Strong & Fast Acting Heavy Duty Power Gel, Dissolves Clogs (Packaging May Vary)

Mr Muscle Drain Unblocker Liquid (1L), Sink & Drain Cleaner, Strong & Fast Acting Heavy Duty Power Gel, Dissolves Clogs (Packaging May Vary)

Mr Muscle

9.1

9.1

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6

HG Drain and Plug Unblocker – Fast Acting Drain Cleaner for Sinks, Pipes & Shower Traps - 1L

HG Drain and Plug Unblocker – Fast Acting Drain Cleaner for Sinks, Pipes & Shower Traps - 1L

HG

8.8

8.8

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7

Buster Bathroom Drain Unblocker (Pack of 3 x 300ml) Fast-Acting Sink Unblocker Dissolves Hair, Sludge and Soap, Drain Cleaner Clears Blockages in Shower, Bath and Bathroom Sink Pipes - Made in UK

Buster Bathroom Drain Unblocker (Pack of 3 x 300ml) Fast-Acting Sink Unblocker Dissolves Hair, Sludge and Soap, Drain Cleaner Clears Blockages in Shower, Bath and Bathroom Sink Pipes - Made in UK

Buster

8.6

8.6

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8

Jeyes Drain Unblocker (1L) - 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 Drain Unblocker (1L) - 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

8.4

8.4

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9

Mr Muscle Drain Unblocker Liquid (2 x 500ml), Sink & Drain Cleaner, Strong & Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Safe for All Pipes

Mr Muscle Drain Unblocker Liquid (2 x 500ml), Sink & Drain Cleaner, Strong & Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Safe for All Pipes

Mr Muscle

8.2

8.2

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10

Zep Commercial Unblocker Heat Drain Liquid

Zep Commercial Unblocker Heat Drain Liquid

Zep

8.1

8.1

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