Water Softener Salt Blocks 8kg
Premium 99%+ purity salt blocks for block-fed softeners. Clean, no-mess handling, with two 4kg blocks per pack.
- 99%+ purity
- Next-day delivery
- Free delivery over £50
Secure checkout · 30-day money-back guarantee
Why choose this salt
Soft water, no limescale
Keeps your softener working efficiently for limescale-free taps, glassware and heating, plus softer skin and hair.
Clean, no-mess handling
Solid blocks lift straight in, with no scooping, no spills and no dust.
Fits block-fed softeners
Sized for twin-block machines such as Harvey and Kinetico block models.
Will it fit my softener?
Suitable for block-fed water softeners (e.g. Harvey and Kinetico twin-block machines). Not for tablet or granular machines.
How much will I need?
Most block-softener households use around two blocks (one 8kg pack) every 4 to 6 weeks, depending on water hardness and usage.
Specifications
- Pack size
- 8kg pack (2 × 4kg blocks)
- Purity
- 99%+
- Format
- Salt blocks
- Grade
- Premium Grade
- Suitable for
- Block-fed water softeners
Next-day delivery
Order before 2pm for next working day (Mon to Fri).
Free over £50
Free UK mainland delivery on orders over £50.
Kerbside on pallets
Pallet quantities are delivered kerbside.
30-day guarantee
Not happy? 30-day money-back guarantee.
Frequently asked questions
How many blocks will I need?+
Around two blocks (one 8kg pack) every 4 to 6 weeks for an average household, more in hard-water areas. Check your softener’s manual to be sure.
Will these blocks fit my softener?+
Yes, if your machine is a block-fed (twin-block) softener. If your machine takes tablets or granular salt, choose our 25kg tablets instead.
How fast is delivery?+
Next working day on orders placed before 2pm. Delivery is free on orders over £50.
Can I buy in bulk?+
Yes, choose a larger quantity on this page for the best price per pack. Larger volumes are delivered kerbside.
Ready to order?
Secure checkout · 30-day money-back guarantee
Water Softener Salt Blocks 8kg
from £3.99 / pack