BEST DEALS THIS WEEK

10 Best Best Sink Unblocker - May 2026

19M consumers helped this year.

Last Updated: 27-05-2026

1

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

9.8

9.8

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2

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

9.6

9.6

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3

HG Kitchen Drain Unblocker | Clears Blocked Sinks | 1L

HG Kitchen Drain Unblocker | Clears Blocked Sinks | 1L

HG

9.5

9.5

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4

Buster Bathroom Drain Unblocker (Pack of 2 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 2 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

9.2

9.2

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5

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

9.1

9.1

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6

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

8.8

8.8

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7

HG Drain and Plug Unblocker | Clears Blocked Sinks & Shower Drains | 1L

HG Drain and Plug Unblocker | Clears Blocked Sinks & Shower Drains | 1L

HG

8.6

8.6

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8

Mr Muscle Drain Unblocker Liquid (500ml), Sink & Drain Cleaner, Strong & Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes

Mr Muscle Drain Unblocker Liquid (500ml), Sink & Drain Cleaner, Strong & Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes

Mr Muscle

8.4

8.4

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9

Luigi's Plunger for Sinks and Drains - Sink Plunger for Bathrooms Kitchens Sinks Baths and Showers Unblocker - Shower Plungers for Unblocking - with Large Bellows

Luigi's Plunger for Sinks and Drains - Sink Plunger for Bathrooms Kitchens Sinks Baths and Showers Unblocker - Shower Plungers for Unblocking - with Large Bellows

Luigi's

8.2

8.2

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10

Buster Kitchen Plughole Unblocker (Pack of 3 x 150g) Fast-Acting Sink Unblocker Dissolves Fat, Food & Debris, Drain Cleaner Clears Blockages in Kitchen Sink Pipes - Made in UK

Buster Kitchen Plughole Unblocker (Pack of 3 x 150g) Fast-Acting Sink Unblocker Dissolves Fat, Food & Debris, Drain Cleaner Clears Blockages in Kitchen Sink Pipes - Made in UK

Buster

8.1

8.1

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