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 (19)

Special Offers (8)

Pro-Kleen (27)
STORM TRADING GROUP (19)
Elixir Gardens Supplies (17)
Reliapart (10)

Black (1)
Blue (4)
Clear (19)
Cream (1)

Descalers & Decalcifiers (98)
Washing Machine Cleaners (18)
Water Softener Salt (9)
Coffee Making Kits (5)

Marketplace
Laundry & Cleaning
Cleaning Supplies
Descalers

Back to Cleaning Supplies

Descalers

0 items

Showing 1 to 24 of 139 items

Marketplace.
SOL 8pk Kettle Descaler Tablets for Limescale Removal - Fast-Acting Descaling
FREE Courier Delivery by Sun 18 Oct. Sold by Marketplace seller.
More like this
£5.99
£5.99/each
Quantity controls
Marketplace.
Dri Pak Citric Acid Limescale Remover 250g
FREE Courier Delivery by Wed 21 Oct. Sold by Marketplace seller.
More like this
£8.79
£8.79/each
Quantity controls
Marketplace.
Ecoegg Washing Machine & Dishwasher Cleaner Detox Tablets/Deep Clean, Odour Removal, Fits All Machines, De-Scales, (10 Uses)
FREE Courier Delivery by Sun 18 Oct. Sold by Marketplace seller.
More like this
£6.99
£0.70/each
Quantity controls
Marketplace.
1 x 5 Litre Deionised Water Mineral-Free Ideal For Batteries, Steam Irons & Cleaning
FREE Courier Delivery by Mon 19 Oct. Sold by Marketplace seller.
More like this
£8.82 Clubcard Price
(£8.82/each)
Offer valid for delivery from 01/10/2026 until 30/12/2026
£10.80
£10.80/each
Quantity controls
Marketplace.
2 x 5L Super Strength Vinegar 20% Strong Cleaning Vinegar For Sanitising, Cleaning & Descaling
FREE Courier Delivery by Mon 19 Oct. Sold by Marketplace seller.
More like this
£20.07 Clubcard Price
(£20.07/each)
Offer valid for delivery from 04/06/2026 until 30/12/2026
£23.30
£23.30/each
Quantity controls
Marketplace.
5L Full-FLO Toilet Macerator Descaler & Cleaner - Suitable for All Pump Units Including Saniflo
FREE Courier Delivery by Thu 15 Oct. Sold by Marketplace seller.
More like this
£19.95
£19.95/each
Quantity controls
Marketplace.
DeLonghi EcoDecalk Descaler for Coffee Machines DLSC500 500ml
FREE Courier Delivery by Tue 20 Oct. Sold by Marketplace seller.
More like this
£11.99
£11.99/each
Quantity controls
Marketplace.
Sage Espresso Cleaning Tablets Machine Oil Remover 6 Count
FREE Courier Delivery by Fri 16 Oct. Sold by Marketplace seller.
More like this
£10.95
£10.95/each
Quantity controls
Marketplace.
SOL 16pk Descaler Tablets for Home Appliances, Descaling Tablets Limescale
FREE Courier Delivery by Sun 18 Oct. Sold by Marketplace seller.
More like this
£7.99
£7.99/each
Quantity controls
Marketplace.
Ecoegg Kettle & Iron Descaler (6 Uses), Easy Use Sachets, Powerful Limescale Removal
FREE Courier Delivery by Sun 18 Oct. Sold by Marketplace seller.
More like this
£5.99
£5.99/each
Quantity controls
Marketplace.
2 x 5L Full-FLO Toilet Macerator Descaler & Cleaner - Suitable for All Pump Units
FREE Courier Delivery by Thu 15 Oct. Sold by Marketplace seller.
More like this
£31.95
£31.95/each
Quantity controls
Marketplace.
1 x 5L Super Strength Vinegar 20% Strong Cleaning Vinegar For Sanitising, Cleaning & Descaling
FREE Courier Delivery by Mon 19 Oct. Sold by Marketplace seller.
More like this
£13.32 Clubcard Price
(£13.32/each)
Offer valid for delivery from 04/06/2026 until 30/12/2026
£15.30
£15.30/each
Quantity controls
Marketplace.
Oust All-Purpose Descaler Limescale Remover, 3 Sachets, 3 Pack | Multi | 3 Pack | 3
FREE Courier Delivery by Mon 19 Oct. Sold by Marketplace seller.
More like this
£8.49
£8.49/each
Options
Marketplace.
Zero In Cedarwood Moth Balls Pack of 20
FREE Courier Delivery by Fri 23 Oct. Sold by Marketplace seller.
More like this
£7.65
£7.65/each
Quantity controls
Marketplace.
Dylon 3 in 1 Washing Machine Cleaner Freshener and Limescale Remover, 75g
FREE Courier Delivery by Fri 16 Oct. Sold by Marketplace seller.
More like this
£8.73
£8.73/each
Quantity controls
Marketplace.
Elbow Grease Dishwasher Cleaner 250ml
FREE Courier Delivery by Thu 22 Oct. Sold by Marketplace seller.
More like this
£5.11
£5.11/each
Quantity controls
Marketplace.
Cillit Bang Limescale Remover
FREE Courier Delivery by Fri 16 Oct. Sold by Marketplace seller.
More like this
£21.20
£21.20/each
Quantity controls
Marketplace.
Slam Descaler Sachets 3 x 30ml
FREE Courier Delivery by Thu 22 Oct. Sold by Marketplace seller.
More like this
£7.23
£7.23/each
Quantity controls
Marketplace.
Cillit Bang 750ml Limescale Remover, 3 Pack, Fast Stain & Virus Eliminator, Disinfectant, Soap Scum & Rust Cleaner, Fresh Scent, Water & Dirt Repellent
FREE Courier Delivery by Fri 16 Oct. Sold by Marketplace seller.
More like this
£12.90
£12.90/each
Quantity controls
Marketplace.
Kilrock Service-Pro Dishwasher Descaler & Cleaner 75G (Pack Of 2)
FREE Courier Delivery by Thu 22 Oct. Sold by Marketplace seller.
More like this
£9.43
£9.43/each
Quantity controls
Marketplace.
Pazazz Espresso Coffee Machine Cleaning Tablets 2g x 100
FREE Courier Delivery by Sat 17 Oct. Sold by Marketplace seller.
More like this
£12.05
£12.05/each
Quantity controls
Marketplace.
Sage Descaler Coffee Machine Kettles Limescale Cleaner 6 Pack
FREE Courier Delivery by Fri 16 Oct. Sold by Marketplace seller.
More like this
£16.95
£16.95/each
Quantity controls
Marketplace.
Cleenly Washing Machine Cleaner and Descaler 5L
FREE Courier Delivery by Thu 15 Oct. Sold by Marketplace seller.
More like this
£17.95
£17.95/each
Quantity controls
Marketplace.
3 Packs (6 Blocks) Salt Water Softeners High Purity Grade A Salt Block Water Softening Units
FREE Courier Delivery by Mon 19 Oct. Sold by Marketplace seller.
More like this
£30.40
£30.40/each
Quantity controls

Showing 1 to 24 of 139 items

Show

24

items per page

1
2
3
4
5
6

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