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Best Outside Drain Unblocker Uks of 2026
Best Choice
1
Clicked 1 times in the last monthSpear & JacksonSpear & Jackson - Heavy Duty Sink And Drain Unblocker Gel - 2 x 5 Litres - Clears Blocked Drains
9.8
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
2
Spear & JacksonSpear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
9.6
Exceptional
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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Value for Money
3
JeyesJeyes Drain Unblocker (2 x 2L) - Outdoor Drain Unblocker Liquid Heavy Duty - Dissolves Grease, Hair and Food Waste - Powerful Formula Works in 30 Minutes - Easy to Use, No Dilution
16% Off
9.5
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
4
ZepZep Commercial Unblocker Heat Drain Liquid
9.2
Excellent
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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5
ZepZep Commercial Unblocker Heat Drain Liquid
8.9
Very Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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6
JeyesJeyes 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
8.8
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
7
JeyesJeyes 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
8.7
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
8
Spear & JacksonSpear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
8.5
Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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9
Mr MuscleMr Muscle Drain Unblocker, Sink & Drain Cleaner (2 x 1L) Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack
8.4
Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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10
Mr MuscleMr Muscle Drain Unblocker, Sink & Drain Cleaner (2 x 1L) Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack
15% Off
8.3
Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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