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Finerfilters Salt Free Water Softener Alternative Filtration Systems

Finerfilters’ Salt-Free Water Softener Alternative (SFWS) systems use an advanced filtration process that prevents the formation of limescale by converting scale causing minerals (such as calcium & magnesium) into inert microscopic crystals.

This prevents the formation of limescale deposits as these minerals are no longer able to bond and stick to your pipes or appliances.

The media we use has been tested by independent laboratories and researchers, and has a proven 99.6% rate of effectiveness - the only non-salt technology to do so! It even continues to be up to 90% effective when tested with water that is 500ppm (extremely hard water).

Our Salt-Free Water Softener systems can even help to reverse limescale build-up which is already eating away at your appliances.

This, in turn. allows them to work more efficiently, use less energy, and essentially means it can help to reduce your electricity bills!

The Finerfilters SFWS system compared to a traditional water softener system;

Requires no electricity.

The housing is simply installed on your main cold water feed for whole-house applications and at the point of use before smaller appliances such as coffee machines and boilers.

  • Doesn’t waste water through back-washing or regeneration.
  • Uses no salt or other chemicals.
  • Requires virtually no maintenance.

The filter media should be changed after 1 year in foodservice applications and every 2 years in domestic applications.


  • Retains healthy minerals and adds nothing to the drinking or wastewater.
  • Simple and straightforward installation.

Our systems use standard 3/4" or 1" BSP inlet and outlet ports so are easily plumbed into existing mains pipework by any plumber.

Prevents limescale formation and also removes existing scale build-up. A traditional softener will only prevent new scale formation.

This will in turn reduce energy consumption and improve the efficiency of your water heaters and boilers, essentially lowering energy bills. The longer you use the system, the more apparent this becomes.


Hard Water / Limescale Build-Up - Why a Traditional Water Softener Is Not The Best Way To Stop It.

Hard water is naturally occurring but the scale it leaves behind can have a very detrimental impact on the efficiency and life of your plumbing and appliances, such as heaters and boilers. It also inhibits the formation of soap suds, meaning you use more detergents and soap when washing clothes or bathing. Traditional salt-based water softeners remove the minerals which cause limescale build-up, but also remove minerals that are essential for us such as calcium & magnesium and replace them with large amounts of sodium making the water supply undrinkable.


This is usually remedied by creating two water feed lines - one salt-treated line, and one untreated line. Meaning more work for your plumber, increasing the cost of installation which you likely paid a lot for already. Not only are traditional water softeners expensive to install they also require constant rejuvenation and chemical cleaning in order to maintain performance, which comes at further cost to the planet and your wallet!

The benefits of using a Finerfilters Salt Free Water Softener Alternative are Numerous!



  • Feed water needs less contact time than softener resin, so smaller systems can be used, making it perfect for whole house filtration, even if you have limited space.
  • Can also be used to protect systems such as instant hot water taps and coffee machines.
  • Can be used in commercial applications by simply adding more media to the housing vessel.
  • Can be used on water supplies obtained from wells or bore holes (heavy metals such as Iron and manganese and excess sediment should be filtered out before the SFWS unit)



  • Requires no salts, cleaning or use of chemicals or regeneration agents which can be harmful to the environment and increase the running cost.
  • Doesn’t require backwashing of salts, so no additional connection to a drain line or wasteful usage of water.
  • No brine discharge meaning our systems can be used in areas where conventional water softeners are banned or regulated.

Low Maintenance


  • Simple one-time installation process requiring only an inlet and outlet either at the Point-of-Entry (PoE) in a whole house system or Point-of-Use (PoU) to protect specific appliances.
  • Vastly improved filter lifespan and low maintenance; the media only needs to be replaced after 1 year in food service applications and every 2 years in domestic applications.
  • Life expectancy of the housing system itself is much greater than a traditional softener system as it has no moving parts and is made from high-grade BPA free plastics.



  • Our systems do not remove any of the beneficial minerals that is carried by water.
  • Not only that, our systems do not add anything to your water supply whereas a traditional softener system adds harmful levels of sodium, making your water undrinkable.
  • Our salt-free water softeners do not remove chlorine which is added to municipal water supplies, but the media is somewhat chlorine tolerant.
  • It is recommended to add a carbon based pre-filter in order to increase the longevity of the media.

Our Filter Media is Certified & Independently Recognised

WRAS Approved

The internal water filter media used in this system is Water Regulations Advisory Scheme (WRAS) approved, that demonstrates that it complies with the high standards set out by water regulations in the United Kingdom.

NSF 61 Certified

Meets the National Science Foundation (NSF) 61 approval. This is the American standard for drinking water products which is world renowned and internationally recognised.

Independently Tested by ASU

Tested by independent laboratories and researchers at Arizona State University our media achieved a 99.6% scale prevention effectiveness rating – the only non-salt technology to do so.

For ways to contact us, please visit our Help Centre