25Kg Water Softener Salt Tablets (Food-Grade, 99.9% Pure)

Get 25kg of 99.9% pure, food-grade water softener salt tablets for £19.99, which works out at about 80p per kg. These compressed tablets dissolve cleanly in your brine tank and suit Monarch, BWT, Water2Buy, Tapworks and most other tablet-fed softeners. Order before 2pm for free next working day delivery across mainland UK.

25kg salt tablets at a glance

 

Product	25kg bag of water softener salt tablets (tablet salt)
Purity	99.9% sodium chloride, food grade
Standard	EN 973 Type A
Format	Compressed tablets, poured straight into the brine tank
Price	£19.99 (about 80p per kg), or £18.99 with Subscribe & Save
Delivery	Free next working day to mainland UK if ordered before 2pm. Charges apply to remote areas and islands
Dispatched from	Manchester

Why choose these 25kg water softener salt tablets?

If your softener takes tablet salt, a 25kg bag is the most economical way to keep it topped up. Here is what you get:

• High purity. 99.9% sodium chloride with no additives, so it leaves very little residue in your brine tank.
• Better value per kg. At £19.99 for 25kg, a bag costs about 80p per kg. Our 10kg tablet bag at £10.99 works out at about £1.10 per kg, so the 25kg bag saves roughly a quarter.
• Fast delivery. Order before 2pm and we deliver the next working day, free, to mainland UK addresses.
• Trusted by UK households. Himalayan Salt Direct has supplied salt since 2012, and this product has 95 customer reviews, 96% of them five-star.
• Flexible. Buy once, or choose Subscribe & Save for 5% off with delivery every 1, 2, 3 or 6 months. Skip or cancel any time.

Which water softeners use 25kg salt tablets?

 

Most metered, electric and single-tank softeners in UK homes run on tablet salt. If your softener has a brine tank or salt container that you pour salt into, it almost certainly takes salt tablets. These 25kg tablets are suitable for:

Softener	Salt type
Monarch	Tablet salt
BWT / Aquatec	Tablet salt
Water2Buy (including W2B200)	Tablet salt
Tapworks	Tablet salt
Culligan metered units	Tablet salt

 

Looking for Monarch salt tablets in 25kg bags? Monarch softeners are tablet-fed, so these 25kg salt tablets are a suitable, lower-cost refill. Always check your softener manual for any specific salt requirement.

Not sure? Check the label inside your softener cabinet. Block-salt softeners such as standard Harvey models need salt blocks, and granular-only machines need granular salt. Our team can help on 07988 595172.

How long does a 25kg bag of salt tablets last?

It depends on your water hardness, household size and how often your softener regenerates. As a guide, a household of three to four people in a hard-water area (200 to 300 ppm) typically gets about four to six weeks from one 25kg bag. Very hard water or heavy use can bring that down to three to four weeks. Your softener's salt level indicator is the most reliable guide.

How to fill your softener with 25kg salt tablets

1. Check your softener manual for the recommended salt level and make sure the tank is not full of old, hardened salt.
2. Open the brine tank lid.
3. Lift the bag carefully. A 25kg bag is heavy, so decant into a bucket or scoop if you prefer.
4. Pour the tablets in slowly and avoid filling above the level your manual recommends.
5. Close the lid and wipe up any spilt tablets. Re-check the level every few weeks.

Salt tablets delivered near you

Looking for 25kg water softener salt tablets near you? We dispatch from our Manchester warehouse and deliver across mainland UK, so you can skip carrying a heavy bag home. Orders placed before 2pm are delivered the next working day free of charge. Remote locations and islands may incur a delivery fee, shown at checkout.

Need more than one bag?

Choose from our multi-bag options, including 2 x 25kg, 10 x 25kg and larger pallet quantities, or use the Bulk Enquiry button for a free quote. Prefer a smaller bag? See our 10kg salt tablets or browse all water softener salt tablets.

Why buy from Himalayan Salt Direct?

Himalayan Salt Direct (HSD) is a UK salt supplier based in Manchester and trading since 2012. We supply households, businesses and wholesale customers, and we hold bulk stock so we can keep prices low and dispatch fast. Our customers rate us highly for packaging, speed and service.

FAQs

 

How much is a 25kg bag of salt tablets?

 

A 25kg bag of water softener salt tablets costs £19.99 at Himalayan Salt Direct, which is about 80p per kg. Subscribe & Save reduces the price to £18.99 per bag. Delivery is free to mainland UK when you order before 2pm.

How long does a 25kg bag of salt tablets last?

 

For a household of three to four people in a hard-water area, a 25kg bag usually lasts about four to six weeks. Very hard water, a larger household or frequent regeneration can shorten this to three to four weeks. Check your softener's salt level indicator to be sure.

Which softeners use 25kg salt tablets?

 

Most metered and electric single-tank softeners use tablet salt, including Monarch, BWT, Water2Buy and Tapworks units. If your softener has a brine tank you pour salt into, it very likely takes tablets. Block-salt softeners such as standard Harvey models do not. Always check your manual.

Can I use any brand of tablet salt in my softener?

 

In most cases yes. Any high-purity, food-grade tablet salt that meets EN 973 Type A will work in a softener designed for tablet salt, regardless of brand. If your softener is under a service contract or warranty, check its terms first.

Are salt tablets better than granular salt?

 

Neither is better for everyone, because it depends on your softener. Tablets are compressed, dissolve more slowly and tend to be less dusty. Granular salt dissolves faster and can be more prone to bridging in some tanks. Use whichever format your softener manual specifies.

What is the difference between salt tablets and block salt?

 

Salt tablets are loose compressed pellets that you pour into a brine tank. Block salt comes as large moulded blocks that sit in a softener designed for them. The two are not interchangeable, so choose the format your machine was built for.

Where can I buy 25kg salt tablets near me?

 

You can order 25kg salt tablets online from Himalayan Salt Direct and have them delivered rather than collecting them. We dispatch from Manchester, and orders placed before 2pm are delivered free the next working day across mainland UK.

What is PDV salt?

 

PDV stands for pure dried vacuum salt. It is made by evaporating brine under vacuum and drying it, which gives a very pure salt (99.9% sodium chloride or higher) with few impurities. It is the usual standard for UK water softener tablets.

How should I store a 25kg bag of salt tablets?

 

Keep the bag sealed, dry and off damp floors, ideally somewhere cool and indoors. Damp causes tablets to clump and harden. Once opened, close or decant the bag so moisture stays out.

Do you sell salt tablets in bulk or on pallets?

 

Yes. We offer multi-bag bundles and larger pallet quantities of 25kg salt tablets, and you can use the Bulk Enquiry button on the product page for a free quote.