Best Water Softeners Salt Deals Online in the UK (25 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
MAC Marie & Adam's Collection your comfort is our ambition....

New
25 Kg Salt Tablets | Water Softener | Food Grade | Compatible to All Water Softner Machines 100% Genuine British water s
💦 Water softener salt tablets suitable for all tablet water softeners, supplied in 25 kg Pre-sealed Bags

£20.01 £21.99
MAC Marie & Adam's Collection your comfort is our ambition....

New
25 Kg Salt Tablets | Water Softener | Food Grade | Compatible to All Water Softner Machines 100% Genuine British water s
💦 Water softener salt tablets suitable for all tablet water softeners, supplied in 25 kg Pre-sealed Bags

£21.29 £21.99
New
Hydrosoft Salt Tablets For Tablet Water Softeners 25kg
Strong, Smooth Tablets – Consistent size and texture ensure easy handling and smooth operation in all tablet-based water

£19.95
HSD Himalayan Salt Direct

New
WATER SOFTENER SALT TABLETS 10KG 2 packs large saving
Huge Savings: 2 packs of 10kg each for a total of 20kg

£19.99
New
Monarch Ultimate Water Softener Salt Tablets 25kg Bag 1-10 Food Grade Salt
Whats the difference between Hydrosoft and UltimateTM We couldn t find any; in fact the Ultimate is so pure you can put

£145.00
Best Value
HSD Himalayan Salt Direct

New
HSD Himalayan Salt Direct HSD 25 Kg Salt Tablets Water Softener Compatible to All water softner Machines 100% Genuine Br
HSD 25KG Water Softening Salt Tablets Best For Laundry Kitchen Dish Washing Industrial and Hotel Use Food Grade Quality

£20.20 £21.29
HSD Himalayan Salt Direct

New
HSD Himalayan Salt Direct HSD 25 Kg Salt Tablets Water Softener Compatible to All water softner Machines 100% Genuine Br
HSD 25KG Water Softening Salt Tablets Best For Laundry Kitchen Dish Washing Industrial and Hotel Use Food Grade Quality

£21.49
New
Hydrosoft Granular Salt for Granular Water Softeners 25kg
Even Dissolution – Granules dissolve uniformly for consistent performance. Versatile – Suitable for granular water softe

£19.95
KINETICO

New
Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 3 packs with 6 salt
Kinetico Original: genuine Kinetico block salt from the leading water softener experts.

£26.99
New
SOFT-SEL | Granular Salt | 25kg | for Dishwashers & Water Softeners
Soft-Sel Granular Salt is available in 25kg bags. Each bag contains 25kg of salt for excellent value for all your househ

£21.49
KINETICO

New
Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 3 packs with 6 salt
Kinetico Original: genuine Kinetico block salt from the leading water softener experts.

£26.99
KINETICO

New
Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 6 packs with 12 sal
Kinetico Original: genuine Kinetico block salt from the leading water softener experts.

£49.99
New
10 KG Q Granular Salt| Water Softeners| Dishwasher| Food Grade| Water Purifier

£114.99
17% Off
HSD Himalayan Salt Direct

New
Water Softener Salt Blocks 100% Genuine Food Grade water softener salt block Compatible with All Water Softener Machine,
HSD original block salt - 3 packs. Each pack contains 2 salt blocks (6 in total), each block weighs 4kg

£22.32 £26.99
New
25kg Water Softener Salt Tablets High Purity Food Grade British Salt Bag
25kg Salt Tablets – Water Softener Salt. Keep your water softener working efficiently with25kg salt tablets. Pillow-shap

£409.99
13% Off
HSD Himalayan Salt Direct

New
Water Softener Salt Blocks 100% Genuine Food Grade water softener salt block Compatible with All Water Softener Machine,
HSD original block salt - 3 packs. Each pack contains 2 salt blocks (6 in total), each block weighs 4kg

£23.49 £26.99
New
Water Softener Salt Tablets – 10kg / 25kg Bags | Food Grade | UK British Made
Rapidly dissolves to produce premium quality brine. 10 KG SALT TABLETS Natural Water Softener |1,2,3,5,10,20| Dishwasher

£409.99
New
HYDROSOFT SALT TABLETS | 25KG BAG | Water Softener | FCC Food Grade 99.9% Pure
HYDROSOFT SALT TABLETS 10KG / 25KG BAG. Ensure the best value and performance for your water softener with Hydrosoft Sal

£475.42
New
Harveys Water Softener Block Salt Suitable for Water Softeners UK Block Salt
Harveys Block Salt, is a convenient way to replenish a water softener. The Harvey’s salt block sits in 1 cm of water in

£21.99
New
Water Softener Salt Tablet Salt 25KG FROM £18.99 - FREE DELIVERY
BAG OF SALT water softener salt tablets 25kg bag. Water softener salt.

£18.99
New
Harvey's Water Softener Block Salt Suitable for Water Softeners UK

£13.29
New
12 Bags Harvey's A Grade Water Softener Salt Block (24 Blocks - Each Block 4kgs)
Each high-purity salt block (approx. 4kg, about the size of a house brick) is designed to dissolve evenly and efficientl

£99.99
New
Water Softener Block Salt Suitable for all Water Softeners Grade A Quality Block
HSD 100% water soluble and made with up to 99.8% pure salt, these blocks are specially formulated to resist mushing and

£41.99
New
Aquasol Tablet Salt | 25KG | for Tablet Salt Water Softeners | FCC Food Grade
Aquasol is the best tablet salt for all tablet-salt water softeners. Aquasol is exclusively made by the UK’s leading sal

£21.99
New
Harvey's Water Softener Block Salt Suitable for all Water Softeners UK 2 x 4kg
Our original block salt is compatible with most other Harvey and Non-Harvey Water Softeners, but if you have a HarveyArc

£31.99

25 Water Softeners Salt deals are available from: Amazon, eBay stores, starting from £13.29.
The biggest discount we found is 17% on Water Softener Salt Blocks 100% Genuine Food Grade water softener salt block Compatible with All Water Softener Machine, Best For Laundry Kitchen Dishwasher Industrial use Salt Block (3 Pack) at Amazon.
The lowest price we found is £13.29 while the highest is £475.42.
Prices for the best Water Softeners Salt deals average at £84.79.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Water Softeners Salt.