Note: Due to supply chain issues orders will ship within 3-7 business days.

Salt-Free Water Softener Alternative System, Saltless Water Conditioner - FS500

Naturally and safely reduces scale buildup on internal pipes and plumbing without the use of harsh salt or chemicals


100% satisfied

or your money back


Tanks and valves guaranteed for life.


Systems are easily installed with basic plumbing


on all water systems.


The FilterSmart Salt-Free Water Softener requires no maintenance, wastes no water, & saves you money guaranteed!  Finally, put an end to hard water today!.

Traditional salt based systems use salt which adds sodium to the water supply. The salt-free water conditioner is the ideal way to treat hard water without the damaging effect of added sodium.


Never carry heavy bags of salt again! Changing out the sediment pre-filter every 8-10 months is the only maintenance required. FilterSmart up-flow systems require no electricity to drain or salt replacements.


Uses no salt or potassium

Wastes no water or electricity

Virtually maintenance free

Reduces limescale formation on pipes, faucets, shower heads

Extended’s the life of your appliancesHealthy & environmentally friendly

Found effective at scale reduction.

The process our salt-free water softener media use water flow to naturally prevent limescale build up.  The process takes hard water (calcium and magnesium) and transforms the ions into microscopic nanocrystals. This suspends the particles so that it cannot “stick” or cause scale while the water travels through. FilterSmart Whole House Salt-Free Softener does not add anything or remove anything from the water, retaining the important naturally occurring minerals, especially calcium and magnesium.

Salt-using softeners must be regularly recharged by adding more salt and back-flushing with fresh water, which is costly, inconvenient, corrosive to pipes and water heaters, harmful to the environment and wasteful of a precious resource.


Salt-free water softeners have been found to be effective in preventing limescale.  Unlike salt-based softeners, FilterSmart Salt-Free Water Softener won’t demineralize your water by chemically removing minerals replaced by sodium nor will it put excess salt waste or chemicals into our environment. All this while protecting your home's plumbing, extending the life of your washing machine, water heater, dishwasher and other appliances.


Extremely efficient - 5 second contact time regardless of hardness level. Conventional ion exchange resin requires 90 seconds. Up-flow design creates no backwash waste.

Eco-friendly and can be used in areas where water softeners are banned.


Premium components that are built to last. Our warranty covers tanks and valve heads for life. Any manufacturer defect is covered under warranty for life.  We will gladly send a replacement part free of charge if any component does not meet our standards.


All our water systems at FilterSmart come with a pre-filter housing and mounting bracket to be installed prior to the water softener. The sediment pre-filter removes any fine sediment, silt or debris that is in the water.

The filter is recommended to be changed every 8-10 months and is easy to do for any homeowner.


Installation is easy for any homeowner that knows basic plumbing or your local plumber.  Our systems install at the point of entry which is usually inside the garage or outside the home on the main water line.

You can also contact us for help on locating a local installer in your area.

Whole House Water Filtration FAQs

z How Large Are The Tanks?

Our 1-3 Bath 12 GPM systems uses 9 x 48” tanks and sits about 52 inches tall, including the valve head. The 4-6 Bath 15 GPM system uses 10x54” tanks and sits about 58 inches tall. For single tanks, we recommend 20x10” space. For our combos, we recommend a 30x10” space.

z What Is Hard Water?

Hard water is water that contains dissolved minerals, usually calcium and magnesium. It’s commonly measured in grains per gallon (GPG). As these dissolved minerals can clump together to produce scale – which can harm your internal pipes, plumbing, and home appliances – hard water can be a nuisance. Our systems can help manage it.

z What Are The Tanks Made Out Of?
z Is Hard Water Bad For You?
z Does The Water Softener Filter The Water?

The sediment pre-filter removes fine sediment, rust, and debris from the water – but salt free water softeners do not remove any contaminants. Salt-free conditioners simply treat the scaling issues as a result of hard water. If you’re looking at filtering the water and improving the overall taste and odor, then our whole house filter and salt free water softener combo is the better option. Our whole house water filters systems use granulated activated carbon to remove impurities and contaminants commonly found in tap water.

z How Do You Test A Salt Free Water Conditioner System?

Testing a water softener that does not use salt is different than a traditional salt based system. A standard test strip to test for hardness will still read hard with a saltless water softener system because calcium and magnesium is technically still in the water; it’s just in a suspended state. The water hardness may actually go up initially as it removes any existing scale that could be attached to pipes. The best way to test is to check pipes for limescale build-up. If you have initial hard water build-up, it can take time for the system to remove any existing scale. We recommend draining a water heater tank prior to installation to help flush existing hard water build-up.

z Does It Work For Well Water?

Yes. However there can be no iron, hydrogen sulfide or manganese. If there are noticeable levels of any of those elements, pre-treatment is necessary as with any salt free media on the market. These elements can foul salt free media. 

z What Is The Difference Between A Salt And Salt Free System?

Salt-based water softeners use ion exchange to replace calcium and magnesium ions with salt. This, of course, results in the depletion of calcium and magnesium and a higher level of sodium in the water. Salt-based water softeners also waste water through backwashing and require a drain and electrical hookup. Water softeners do not filter contaminants from the water; they simply exchange the calcium and magnesium with sodium, thus producing soft water. Salt-free systems act as a conditioner, taking the calcium and magnesium and turning them into microscopic nano crystals that become suspended in water so they cannot attach to appliances and pipes to create scale. The most noticeable difference is that salt-free water softeners don’t leave your skin slimy or slippery like traditional salt based systems. Our customers, however, do notice a softer feeling from the water.

z What Is The Difference Between Salt Free Softeners, Conditioners And Anti-Scale Systems?

Salt-free softeners, water conditioners, and anti-scale systems all fall under the “no salt water treatment” category. Generally, salt-free softeners act as conditioners in the traditional sense: they condition water so that calcium and magnesium cannot stick to surfaces and create scale. Thus, they are often referred to as anti-scale systems, because they prohibit scale from forming. These systems all use a catalytic bead media to treat water hardness. These media treatment systems are very different from magnetic or electronic water softeners that claim to treat hard water. They’ve been proven by Arizona State University in an extensive study. Salt free softeners that use catalytic bead media are scientifically valid and backed, while the latter – magnetic or electronic water softeners – have not shown results.

z How Does Salt Free Softener Media Work?

Salt-free water softeners use template assisted crystallization to treat hard water. In cold water, calcium ions (Ca2+), magnesium ions (Mg+2) and bicarbonate ions (HCO3-) are surrounded by “layers” of electrochemically-attracted water molecules, which “insulate” against the natural tendency of oppositely-charged ions to come together and form crystals. Atomic level templates on the surface of the media act as catalysts and reduce the ability of calcium, magnesium and bicarbonate ions from coming together to form crystals of calcium and magnesium scale. This process, that we refer to as template assisted crystallization (TAC), results in the creation of microscopic crystals of scale (seed crystals), which rapidly form in treated water, not on the contact surfaces of the water system, and are carried downstream in colloidal suspension through the water system. TAC has been tested by Arizona State University, and it was found to be the most promising technology with scale reductions over 90%.

z Are There Any Studies Proving The Effectiveness Of Salt Free Water Softeners?

The best study done to prove the effectiveness of salt-free water softening technologies is the one done by Arizona State University. The ASU study was conducted by a 3rd party that tested TAC media, magnetic, ion exchange, and electromagnetic devices against hard Arizona tap water at a variety of different temperatures. The study showed a 90%+ effectiveness on TAC media. Magnetic and electronic? Not so much. You can see the study here:


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