10 bestDrain Cleanersof May 2026
112M consumers helped this year.
38% 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
9.9
19% off
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
9.8
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
9.6
29% off
4
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
9.3
20% off
5
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
9.0
OtherUp to 19% off
HG Kitchen Drain & Plug Unblocker, Natural, Heavy Duty, Kitchen Sink Unblocker & Cleaner for Pipes, Septic Tank Safe - 1 Litre
HG Drain and Plug Unblocker, Effectively Removes Blockages & Cleans Blocked Drains Fast, for Blocked Drain Pipes in Sinks or Shower Traps (500ml) - 139050106
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
HOMAITER Drain Unblocker, Powerful Cleaner Formula, 260g, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems
6
HOMAITER Drain Unblocker, 2PCS Powerful Cleaner Formula, Removes Hair, Grease & Soap Scum, Safe for Pipes and Septic Systems
HOMAITER
8.8
11% off
7
HG Duo Unblocker, Powerful Drain Cleaner, for Kitchen Sink or Bathroom Pipes - 2 x 500 ml
HG
8.5
9% off
8
Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
Spear & Jackson
8.2
8% off
9
Zep Commercial Unblocker Heat Drain Liquid
Zep
7.9
10
BioBreeze Sink Trap Drain Odour Remover, Smell Eliminator, Enzyme Cleaner, Industrial Strength Degreaser & Cleaner for Commercial Kitchens & Sinks, 5L (1 Pack)
BioBreeze
7.6
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