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Drain Unblocker Gel, Heavy Duty, Safe for All Pipes, 1L

Available from Amazon

The Mr Muscle Drain Unblocker is now available for £3.33, down from its previous price of £6.78. You can also save £0.67 by applying the provided voucher.

This product is renowned as the UK's No 1 Selling Drain Brand. The 1-litre bottle features a fast-acting heavy-duty drain gel that is three times more effective than bleach on blockages, particularly in removing hair. Designed to work in various home drains, it clears standing water and dissolves even the most stubborn clogs.

  • Cuts through standing water
  • Effective on tough clogs
  • 3x better than bleach
  • Safe for all pipes

Ingredients include chlorine-based agents, soap, and surfactants. Simply pour the entire contents down the plughole, wait 5 minutes (longer for tough clogs), and flush with hot water. For safety, ensure proper handling and use weekly to maintain clear drains.

Manufacturer Contact: SCJ Ltd., Camberley GU16 7AJ.

⭐4.5 / 5 based on 1,533 reviews

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Similar unbranded bottle in Poundland only £1 . Exactly the same stuff but one third the price.


Great stuff but do be careful with it as it's harmful to skin, burns like anything

LD Team

Thank you for posting this! I have shared it with fellow Deal Hunters on our Facebook DIY on a Budget group. Make sure to join yourself! – ldeals.uk/diy


This stuff is really great for your drains, like most chemicals that work really well, they tend to be a little bit expensive these days. Also like most chemicals that are on offer on here from Amazon, for some strange reason, as it isn't all chemicals, it cannot be shipped to my location. Thanks for sharing it.

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