Your privacy settings

We and our 18 partners store and/or access information on a device, such as unique IDs in cookies to process personal data. You may accept or manage your choices by selecting accept or reject all, or at any time in the privacy policy page. These choices will be signalled to our partners and will not affect browsing data. Your choices will change how we tailor your shopping experience on our website.

To modify your consent choices, you can do so by clicking on Cookie settings in the footer.

We and our partners process data to

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a device. Personalised advertising and content, advertising and content measurement, audience research and services development.

Skip to main content
Skip to search

Tesco Insurance
Tesco Bank
Tesco Mobile
Delivery Saver
Store locator
Help

Sign in Register

Groceries & Essentials
My Favourites

Filters

Sort and filter

Sort by (Required)

Relevance

Price (Low to High)

Price (High to Low)

Filter by

New (2)

Special Offers (8)

Marketplace products are sold and sent by our partners and don't come in your grocery order.

Marketplace (52)
Tesco (8)

Find out more about Marketplace

One Chem (8)
Pro-Kleen (7)
Flash (6)
HG (6)

Black (6)
Blue (2)
Green (3)
Grey (3)

Drain Cleaners (34)
Septic Tank & Cesspool Treatments (8)
Drain Rods (4)
Sink Plungers (4)

Indoors (42)
Outdoors (19)

Household
Bathroom Cleaners & Toilet Care
Sink & Drain Unblockers
Sink & Drain Unblockers

Back to Sink & Drain Unblockers

Sink & Drain Unblockers

0 items

Showing 1 to 26 of 60 items

Sponsored
Mr Muscle Drain Hair Dissolver Gel 500ml
More like this
£2.50 Clubcard Price
(£5.00/litre)
Offer valid for delivery from 02/09/2026 until 13/10/2026
£4.25
£8.50/litre
Quantity controls
Sponsored
Mr Muscle Gel Drain & Sink Unblocker 500ml
More like this
£2.50 Clubcard Price
(£5.00/litre)
Offer valid for delivery from 02/09/2026 until 13/10/2026
£4.25
£8.50/litre
Quantity controls
Sponsored
Mr Muscle Gel Sink & Drain Unblocker 1L
More like this
£4.50
£4.50/litre
Quantity controls
Hg Drain Hair Unblocker 450 Ml
More like this
£8.95
£19.89/litre
Quantity controls
Hg Hagesan Liquid Drain Unblock 1L
More like this
£5.75
£5.75/litre
Quantity controls
Buster Bathroom Plug Unblocker 300Ml
More like this
£4.00
£13.33/litre
Quantity controls
Marketplace.
1 x 5 Litres Heavy Duty Sink & Drain Unblocker Plug Hole Toilet Cleaner
FREE Courier Delivery by Mon 12 Oct. Sold by Marketplace seller.
More like this
£12.79 Clubcard Price
(£12.79/each)
Offer valid for delivery from 09/01/2026 until 31/12/2026
£15.99
£15.99/each
Quantity controls
Marketplace.
SOL 2pk Drain Snake Kitchen and Shower Unblocker - 100cm Kitchen Sink Unblocker
FREE Courier Delivery by Sun 11 Oct. Sold by Marketplace seller.
More like this
£4.99
£4.99/each
Quantity controls
Marketplace.
Green Gobbler Septic Saver Sewage & Septic Tank Cleaner Bacteria Enzyme Packs 6 Pods (222g)
FREE Courier Delivery by Fri 9 Oct. Sold by Marketplace seller.
More like this
£13.28
£13.28/each
Quantity controls
Marketplace.
HG Drain And Plug Unblocker 1L
FREE Courier Delivery by Sat 10 Oct. Sold by Marketplace seller.
More like this
£12.55
£12.55/each
Quantity controls
Marketplace.
One Chem Heavy Duty Sink & Drain Unblocker 2 x 750ml - Drain Opener - Pipe Cleaner
FREE Courier Delivery by Sun 11 Oct. Sold by Marketplace seller.
More like this
£10.99
£10.99/each
Quantity controls
Marketplace.
One Chem Heavy Duty Sink & Drain Unblocker 2 x 500ml - Drain Opener - Pipe Cleaner
FREE Courier Delivery by Sun 11 Oct. Sold by Marketplace seller.
More like this
£9.99
£9.99/each
Quantity controls
Marketplace.
Marco Paul 1 Litre Sink and Drain Unblocker for Showers Plug Holes, Drain and Sink Unblocker
FREE Courier Delivery by Mon 12 Oct. Sold by Marketplace seller.
More like this
£7.99
£7.99/each
Quantity controls
Marketplace.
Marco Paul 5 Litre Sink and Drain Unblocker for Showers Plug Holes Sinks and Drains
FREE Courier Delivery by Mon 12 Oct. Sold by Marketplace seller.
More like this
£11.99
£11.99/each
Quantity controls
Marketplace.
Faithfull Drum Auger 25Ft
FREE Courier Delivery by Fri 9 Oct. Sold by Marketplace seller.
More like this
£29.10
£29.10/each
Quantity controls
Marketplace.
Bailey 1324 Lockfast 3/4In Drain Rod Set 4 Tools
FREE Courier Delivery by Fri 9 Oct. Sold by Marketplace seller.
More like this
£116.05
£116.05/each
Quantity controls
Marketplace.
Monument 1452B Hydrojet Pump
FREE Courier Delivery by Sat 10 Oct. Sold by Marketplace seller.
More like this
£24.99
£24.99/each
Quantity controls
Marketplace.
Oracstar Basket Strainer - Silver - One Size
FREE Courier Delivery by Tue 13 Oct. Sold by Marketplace seller.
More like this
Was £26.00 Now £20.00
Offer valid until 01/11/2026
£20.00
£20.00/each
Quantity controls
Marketplace.
Bailey 1749 Universal Double Worm Screw 2In
FREE Courier Delivery by Fri 9 Oct. Sold by Marketplace seller.
More like this
£11.00
£11.00/each
Quantity controls
Marketplace.
SupaHome Maxi Plunger - Black - One Size
FREE Courier Delivery by Tue 13 Oct. Sold by Marketplace seller.
More like this
£11.00
£11.00/each
Quantity controls
Marketplace.
Horobin Universal Plunger - Black - One Size
FREE Courier Delivery by Tue 13 Oct. Sold by Marketplace seller.
More like this
£8.00
£8.00/each
Quantity controls
Marketplace.
Kilrock Rhino Bathroom Heavy-Duty Drain Unblocker 1 Litre
FREE Courier Delivery by Fri 9 Oct. Sold by Marketplace seller.
More like this
£15.42
£15.42/each
Quantity controls
Marketplace.
2 x Weather Resistant Black Ventilated Grid Drain Covers Prevents Blockages
FREE Courier Delivery by Sat 10 Oct. Sold by Marketplace seller.
More like this
£11.23 Clubcard Price
(£11.23/each)
Offer valid for delivery from 10/12/2025 until 31/12/2026
£12.48
£12.48/each
Quantity controls
Marketplace.
4 x Weather Resistant Black Ventilated Grid Drain Covers Prevents Blockages
FREE Courier Delivery by Sat 10 Oct. Sold by Marketplace seller.
More like this
£15.78 Clubcard Price
(£15.78/each)
Offer valid for delivery from 10/12/2025 until 31/12/2026
£17.54
£17.54/each
Quantity controls
Marketplace.
2 x Outdoor Black Ventilated Grid Drain Covers Prevents Blockages Leaves & Dirt
FREE Courier Delivery by Sat 10 Oct. Sold by Marketplace seller.
More like this
£10.19 Clubcard Price
(£10.19/each)
Offer valid for delivery from 02/12/2025 until 31/12/2026
£11.33
£11.33/each
Quantity controls
Marketplace.
Buffalo Large Rubber Cup Bath & Shower Plunger 125mm / 5'' - One Colour - One Size
FREE Courier Delivery by Tue 13 Oct. Sold by Marketplace seller.
More like this
£12.00
£12.00/each
Quantity controls

Showing 1 to 26 of 60 items

Show

24

items per page

1
2
3

Basket

£0.00 Guide price

£0.00Guide price

Groceries

Reserve a slot for either home delivery or collection

Grocery basket empty

Products you add to your basket will appear here

Here to help

My Account
My Grocery Orders
Help & FAQs
Product Recall
Privacy centre
Tesco Pharmacy
Tesco Photo
Tesco Magazine

About

Accessibility
Sitemap
Privacy & cookies policy
Cookie settings
General terms & conditions
Product terms & conditions
Coupon terms & conditions
Ratings & reviews policy
Partner directory

Ways to save

Delivery Saver
Clubcard
Click+Collect
Clubcard Prices

Support

Contact us
Store locator

Follow us

© 2026 Tesco.com. All rights reserved