HOW DO WATER SOFTENERS WORK?

There is a lot of confusion surrounding water softeners and how they operate. Many individuals who come to Sawtooth Inc. looking for a new unit or repairs to existing systems are unclear on why a water softener uses salt, what the difference between a salt-free water conditioner and a salt-based water softener is, and why there are so many different configurations and price ranges for water softening units.

Every water softener that uses salt has a tank that stores a material called RESIN. Resin is a man-made material that if put under a microscope looks very similar to a chain-link fence that has been wound into a ball or bead. A water softener is filled with these little beads in various amounts depending on the size of the system. Salt is used to “charge” these beads so that the resin can remove hardness minerals from water like a magnet.

As hard water (water that is mixed with the naturally occurring minerals calcium and magnesium) flows through the RESIN BEADS, an exchange takes place. The sodium on the resin beads and the hardness minerals trade places. This process is known as ION EXCHANGE. In short, water mixed with calcium and magnesium comes into the water softener, and water mixed with salt comes out.

The most common unit of measure for hardness is GRAINS or GRAINS PER GALLON (gpg). The hardness of a water supply is easily measured and commonly done for free by water treatment professionals. The hardness measurement is used to determine a water softener’s SOFTENING CAPACITY, or, how much hard water can pass through a softener before the resin beads can no longer soften water and need to be cleaned. The process of cleaning resin beads is know as REGENERATION.

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Unlike  a conventional filter like those found in fridges or drinking water systems that collect contaminants and then have to be replaced periodically, RESIN inside water softeners can filter hardness minerals over and over again without being replaced. This process is called REGENERATION. The frequency and length of the regeneration cycle depends on the size of the unit, the valve and the computer.

Regeneration is essentially a self-cleaning process that occurs repeatedly throughout the life-time of the water softener. The valve and computer work in tandem to introduce water in with salt to create a brine solution. The resin is then rinsed and coated with this brine so that the exchange process between salt and the hardness minerals can occur again.

There are many variables that go into determining how long the regeneration cycle lasts, how much water will be used to rinse or clean the resin and how much dissolved salt will be used to “charge” the resin. Some water softeners are incredibly inefficient at this process, wasting thousands of gallons of water and hundreds of pounds of salt over their lifetime.

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A major point of confusion when purchasing a water softener is whether to buy a salt-based unit or a salt-free system. Many people are under the impression that salt-free water conditioners do the exact same thing as a salt system. This is not the case. Salt-free water conditioners CONVERT the hardness minerals into a different substance, they do not actually REMOVE the hardness minerals from the water supply like a salt-based unit.

Salt-free water conditioners come in a variety of configurations. Some use magnetic, catalytic, electric or an electro-dialysis process to convert hardness minerals. There are even systems that use citric acid to accomplish this conversion.

At Sawtooth Inc., we have salt-free options available; however, in our experience these units will only keep plumbing pipe clear of hardness buildup. These units do not provide the other benefits that a salt-based unit will provide such as softer skin and clothes, brighter dishes, faucets and fixtures that are free from buildup etc.

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When shopping for a water softener you will be bombarded by dozens of different brands, each with their own unique appearance; however, we recommend ignoring the aesthetic components and focus specifically on function.

There are four different types of water softener configurations commonly found in the Southern Idaho market:

  1. Single media tank — This is the most common configuration style. It utilizes a single filtration tank with resin inside, and either a separate holding tank where the salt goes, or the salt will be poured in together with the filtration tank inside a plastic outer shell. Most big-box stores sell this type of unit.
  2. Single media tank with mixed media — Less common than #1 because of the substantial price difference. The filtration tank not only has resin inside but other filtering material (media) to reduce other contaminants from the water.
  3. Double media tanks — This design is essentially two softeners plumbed together into a single unit. This configuration is a common feature utilized in Kinetico units but not exclusively.
  4. Single media tank with compartments — Similar to #2 except that the filtering media is not mixed together. The single tank is separated into compartments by screens. Each compartment holds a different filtering media to not only soften water but purify as well for the entire home.
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Residential and Commercial Water Softeners

Patented, comprehensive water softener systems. Save water, salt, time and money.

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WATERMAX

Hague watermax water softener
Patented divider screens separate the filtration tank into three separate compartments. Each compartment is completely customizable. This enables the Watermax to not only soften water efficiently, but also filter other impurities that are commonly found in city and well water (chlorine, sand/silt/sediment, heavy metals, field spray chemicals and MORE!)

The Watermax offers a host of advantages over conventional water softeners:

  • Self-cleaning regeneration cycle is accomplished in as much as 80% less time
  • Uses as much as 50% less salt
  • Uses up to 80% less water
  • Removes more impurities from the water with only a single filtration tank
  • 25-year limited warranty
  • Solid-state system control
  • Hague patented control valve
  • Built-in 20 micron whole-house filter
  • Directional flow screens
  • Built-in bypass with test port
  • Bacteriostatically-protected resin bed
  • Power outage protection
  • Capacity guard
  • Absolute brining
  • Safety shut-off
  • Fill pug

MAXIMIZER 97MMB1

Sliders
Utilizing Hague’s patented multi-compartmental tank design, the Model 97 water softener offers a minimal footprint while providing maximum water quality. Featuring a smart touch controller and a single cabinet design, the 97MMB1 system not only softens water, but can reduce chlorine and filter out sand, silt and sediment.
Sparkling dishes, brighter clothes and softer skin are just a few of the many benefits of the Maximizer. The Maximizer water softener keeps appliances running longer and water pipes cleaner, which means that you use less energy and save money on repair bills.
  • 15-year limited warranty
  • Smart touch color touchscreen controller
  • Built-in bypass
  • Ultra-Fil Filter
  • Dual compartment tank
  • Ultra-soft fine mesh resin
  • Power outage protection
  • Safety shut-off

 HYDROCLEAN HCIII

Options
The HC3 water softener provides clean, soft water at an economical price. Following more than fifteen years of dependable field operation in thousands of installations around the world, the HC3’s sophisticated, patented valve design has proven to be exceptionally reliable.
  • No stains and deposits from hard water
  • No soap scum residue problems
  • Cleaner, brighter laundry
  • No hard water build-up in pipes and appliances
  • More efficient use of soap with soft water
  • Custom configuration available
  • Hague patented control valve
  • Dual-mode electronic controller
  • 1″ built-in bypass valve with test port
  • Power outage protection
  • Capacity guard

COMMERCIAL LINEUP

Design
The Twin Intermediate Line (TIL) is a water softening system designed especially for light commercial water consumers such as restaurants, offices, laboratories, dairy farms and car washes. Hague’s commitment to quality in engineering and manufacturing helps to maintain value durability and consistent quality.
Our patented valve design is simple and efficient, and has demonstrated exceptional reliability after more than fifteen years of dependable field operation in hundreds of thousands of installations nationally and internationally.

Six models are available with flow rates ranging from 9.25 to 37 gpm.

  • VALVE – A one-inch top mounted valve allows for high flow rates and eliminates external piping. The valve contains only one internal moving part, which guarantees long life and service-free operation.
  • MAXIMUM RESIN BED DEPTH – Longer water contact, more effective filtering and better salt economy.
  • ENERGY-MISER CONTROLLER – Simple, effective and uses a mere 10 to 15 cents a month in electricity!
  • METERED REGENERATION – Regenerates only as needed, saving salt and water.
  • CORROSION PROOF TANKS – Features fiberglass-wound media tanks and plastic brine tanks for strength, durability and corrosion resistance.
Two sources of water
Pure water
Three types of water
Common water problems
Hardness minerals
Taste and odor
Cloudiness and discoloration
Staining
Soft water feels cleaner
Soft water makes dishes brighter
Water softener savings
Water softener savings
Water softener savings chart