Best Block Water Softener Salt Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
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
Best Value
Harvey

New
Harvey Block Salt for Water Softeners | Original Pure Grade A Food Quality Salt | 3 Bags, Securely Boxed | Each Bag Cont
Harvey’s original block salt, 3 packs, boxed securely. Each pack holds 2 salt blocks, totaling 6 blocks, each weighing 4

£28.05 £33.00
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
KINETICO

New
Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 9 packs with 18 sal
Kinetico Original: genuine Kinetico block salt from the leading water softener experts.

£72.99
HSD Himalayan Salt Direct

New
3 pack salt blocks Compatible to All Water Softener Machines 100% Genuine British water softener salt blocks Original Bl
Pure "A" Grade food quality salt, our salt is made in UK, obtained from confided in providers, and produced to the great

£23.49
Harvey

New
Harvey Block Salt for Water Softeners | Original Pure Grade A Food Quality Salt | 6 Bags, Securely Boxed | Each Bag Cont
Harvey’s original block salt, 6 packs, boxed securely. Each pack holds 2 salt blocks, totaling 12 blocks, each weighing

£54.31 £63.90
WSG

New
Halite Salt for Water Softener, Pure Grade A Food Quality for Twintec, Kinetico and All Block Salt Softener (3)
HIGH QUALITY SALT: Made from pure grade A food quality halite salt from Siwa Oasis in Egypt, our Halite Salt is of excep

£24.99
KINETICO

New
KINETICO Block Salt - for Block Salt Water Softeners - 6 bags of 2 blocks of salt each (12 blocks) - Delivers Superior P
Kinetico Original: genuine Kinetico block salt from the leading water softener experts.

£49.99
Harvey

New
Harvey Block Salt for Water Softeners | Original Pure Grade A Food Quality Salt | 9 Bags, Securely Boxed | Each Bag Cont
Harvey’s original block salt, 9 packs, boxed securely. Each pack holds 2 salt blocks, totaling 18 blocks, each weighing

£81.47 £95.85

10 Block Water Softener Salt deals are available from: Amazon stores, starting from £23.49.
The biggest discount we found is 10%% 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 £23.49 while the highest is £81.47.
Prices for the best Block Water Softener Salt deals average at £43.58.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Block Water Softener Salt.