HG Liquid Drain Unblocker 1L

£5.40 Incl. VAT

In stock

Free delivery over £150 (Exceptions Apply)
Next Day Available | 30 Day Return Policy
Further Delivery Information


HG Liquid Drain Unblocker (1L) is a product for unblocking a blocked drain pipe in a hand basin, toilet, or shower trap. This liquid drain cleaner works thoroughly and effectively and does not affect plastic pipes. This drain unblocker liquid is a ready-to-use product, it does not need to be diluted, which means there is less chance of splashing. In addition to the 1-litre version, we also have a 500 ml version in our range.

  • Ready to use
  • Does not foam or splash
  • Results within 30 minutes

How do you use HG Liquid Drain Unblocker (1L)?

Complete the following steps to unblock a blocked drain by using this liquid drain cleaner.

  1. Pour 300ml of HG liquid drain unblocker down the blocked drain.
  2. Leave the drained liquid to work for approximately 30 minutes and rinse with plenty of cold water.
  3. In case of a persistent blockage when the drain does not drain at all, let the drain, handbasin or toilet run full of warm/ hot water.
  4. Then add 300ml of the liquid to this water, leave it overnight and rinse it the next day with warm water.
  5. Avoid contact with the skin and of course, keep this product out of reach of children.

For more information please visit – HG Website

Also available:

HG Scale Away Foam Spray 3 x stronger
HG Mould Remover Foam Spray
HG Mould Spray
HG Professional Limescale Remover 0.5l

HG Liquid Drain Unblocker

Delivery Information

We have multiple delivery options

  • Next day carrier
  • 2-3 day carrier
  • Click & Collect from store


The cost of the carriage will be displayed before your final checkout. Free delivery is available on most items for orders over £150, exceptions do apply.


  • Orders will only be dispatched and delivered on weekdays.
  • Orders for the next working day delivery must be placed before 2 pm, this gives us time to pick and pack before the carrier arrives to collect.
  • We aim to dispatch all carrier delivered items within 48hrs, and all items delivered on our own transport within 5 days, Monday to Friday.
  • A dispatch email will be sent when your goods leave us, if delivery is by the carrier, this email will include tracking information. If your order is delayed for any reason, we will contact you.


We pride ourselves on our customer service but mistakes can happen. If you receive an incorrect or faulty item, please notify us within 30 days to arrange a refund, return or exchange.

HG Liquid Drain Unblocker