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Water Softener – Sodium Chloride

The AQUALISTIC™ water-softening system reduces dissolved minerals (mainly calcium, magnesium, some manganese, and metals such as ferrous iron ions – hardness ions) in hard water. Water very commonly contains hardness elements such as magnesium and calcium, dissolved rock, hence the name hard water. Soft water is when these minerals are removed through a process known as ion exchange. If you have hard water in your city, you often see evidence of staining or scaling build up on your sinks, tubs, showers and clothing; scaling deposits on your glassware; and damage due to scale in your pipes and appliances. You will also notice less lather from your shampoos/soaps and a filmy dryness feeling on your skin.
Often, types of skin irritations are tied to the issue of hard water and the chemicals in it.

All of these are symptoms of the need for an Aqualistic™ Water Softener System to solve the problem.

Aqualistic™ Salt Water Softener System Benefits :

-Prevent scale that builds up in pipes, water heaters, plumbing fixtures, dishwashers and other water-related appliances.
This scale will reduce water flow, clog valves and vents and create maintenance problems reducing the life of your appliances.

-Soap and detergent ( cleaning agent) will easily lather and be more effective.
Soft water system owners show savings on laundry soap, dish-washing detergent, hand soap and many other cleaning products.

– No scale forming minerals left, so appliances operate more efficiently and last longer when using soft water. Leading appliance manufacturers, including Maytag, have recognized the problems caused by hard water and recommend the use of home water softeners to help their own products operate more efficiently.

-Better tasting water, as well as any beverage drink or meal made with water, such as coffee, juice, sauce, soup etc. (Other water contaminants can affect foods by imparting bad tastes or unhealthy compounds – the system reduces or removes these)

It is never too late to make a change in your life to improve your health and your family’s health. We believe that water has the power to soothe, rejuvenate and heal the human body.

We can help you have the power of clean water in your home.

How does it work ?

A water-softening system reduces dissolved minerals (primarily calcium, magnesium, some manganese, and metals such as ferrous iron ions) in hard water. These “hardness ions” can cause several types of problems, for example lathering issues, making the the cleaning effect of detergent and soap reduced.

Sodium chloride water softening works on the principle of ion exchange or ion replacement

Calcium and magnesium ions in the hard water are exchanged or replaced with sodium ions, sometimes, potassium ions. during the ion-replacement reactions, sodium ions leave the ion-exchange polymeric resins (mineral beads called zeolites) and go into water, while calcium and magnesium ions in the hard water are bound to the resins or beads. In short, the ions switched places during water softening: sodium from resin matrix migrate into the water, and calcium and magnesium move from water to attach to the resin matrix. The resin physical structure is not changed during water softening.

Calcium and magnesium carbonate minerals often stick to the surfaces of pipes and water heaters, causing scale buildup, restricting water flow in pipes. In water heaters, the mineral deposits act as an insulation that impairs heat transfer to water. The final result of such thick scale buildup is that more energy is required (more cost) to heat the water in a the water heater. With softened water, one saves energy in water heating.

The ions in the electrolyte can also lead to metal corrosion, causing corrosion in the plumbing system within the house or the commercial building. More cost.

The Process of Water Softening: Ionic Exchange

The water in the Aqualistic Tank, passes through a resin bed, negatively charged resins absorb and bind with hardness and/or metal ions, which are positively charged. especially, the now displaced sodium (or potassium) ions pass downward through the resin “bed” and out the softener drain. This is how the softener provides “soft” water which now has sodium instead of calcium or magnesium ions. Chemically, the resins initially contain univalent hydrogen, sodium or potassium ions, which then exchange with divalent calcium and magnesium ions in the water. Since this is a replacement reaction process, the ion exchange eliminates soap-scum formation, and when the raw water passes through the resins, the “hardness ions” replace the sodium (or potassium) ions, which enter into the water. The “harder” the tap water, the more sodium (or potassium) ions are released from the resins and into the now “softened” water.

When all the sodium in the resins or beads matrix have been replaced and saturated with calcium and magnesium ions, at that point the resin in the exchange chamber is “full” and cannot do any more water-softening. It is now time for another process – regeneration ( back-flushing). During regeneration, salt (sodium chloride) is added to the exchanger chamber; the high level of salt displaces the calcium and magnesium ions and replaces them with sodium.

After regeneration, the resins or beads can soften more hard water.

How much sodium is in softened water? This will vary in each household. The amount of sodium in your water is directly related to your total water hardness. It’s easy math, so let’s figure it out together.

If you do not know your water hardness, contact your city administrator and they will be happy to provide you with this information. If you are on your own private well, you will have to have this tested.

In Orange County CA, water hardness can range from 12 to 20 grains per gallon of hardness (on average). Because the vast majority of my customers are in the 15 grain range, I will use this figure.

Water Softeners collect hardness and in return releases a proportional amount of sodium.

According to the WQA (Water Quality Association), for every grain of hardness there will be 30mg of sodium in a gallon after it has been softened.

15 Grains x 30mg = 450mg in a Gallon (128oz)
450mg Sodium / 128oz = 3.51 mg per oz
3.51mg * 8oz = 28.12mg
In an 8oz glass of 15 grain softened water there is 28.12 mg of sodium.
Dietary Comparison:

Food Serving Size Sodium Content
Skim Milk (8oz) 1 tsp 120mg
Eggs 2 medium 110mg
Banana 1 medium 1mg
Bacon, Cooked 1 piece 82mg
Cheerios 1 cup 200mg
White Bread 1 slice 170 mg
Diet Coke 12 oz 40mg
Soy Sauce (1tsp) 1tsp 1,000mg
Salt 1tsp 2, 400mg

According to the Mayo Health Clinic, in 2010 the Dietary Guidelines for Americans recommended limiting sodium to less than 2, 300 mg of sodium per day, or 1, 500 if you are 51 or older.

The amount of sodium in softened water is directly related to the amount of hardness in the water.

If drinking softened water is not desired, by medical, personal preference, or other reasons, you can always have your kitchen cold water tap taken off of the water softener, or have the sodium removed using a device such as a reverse osmosis or distiller. (Fridge Filters or Brita/PURA style filters will not remove sodium)

A quote from the Mayo Clinic (the doctor is referring to water hardness of approximately 7 grains)

“An 8-ounce (237-milliliter) glass of softened water generally contains less than 12.5 milligrams of sodium, which is well within the Food and Drug Administration’s definition of “very low sodium.” Says  Sheldon G. Sheps, M.D. at the Mayo Health Clinic

If you are still concerned about Sodium added to your diet, there is an alternative, you can soften your water using POTASSIUM CHLORIDE

Potassium chloride is a naturally occurring mineral and is used primarily in agriculture. It works in softeners the same way sodium chloride does but replaces the hard water minerals with potassium instead of sodium. Potassium chloride is an essential nutrient for human health and plays an important role in the functioning of organs, nerves and muscles. It can be found in a wide variety of foods such as dairy products, meat, fruits and vegetables. In addition, potassium chloride is important to the healthy growth of plant life.

Because extracting potassium chloride from the earth is more costly than mining sodium chloride, potassium chloride is more expensive.


It is important to note that potassium is an important nutrient we all need for good health. But, the human body doesn’t produce potassium, so we must get it from our diet.

Water softened with potassium chloride can provide as much as 11 percent of the minimum daily requirement for potassium. This number is based on the widely-recommended consumption rate of eight glasses of water per day and on the assumption that the water contains 15 grains of hardness.

Generally, people tend to perceive that all water softener salts are the same and, therefore, they spend very little time thinking about which variety to buy.

For price-sensitive customers and for customers with no sodium-related health concerns, sodium chloride is an excellent choice. It’s effective, inexpensive, easily obtained and usable in any water softener.

On the other hand, potassium chloride would be a better choice for other kinds of customers. For example, customers on sodium-restricted diets and customers who are concerned about their overall sodium intake might be more comfortable choosing a potassium chloride brand. Potassium chloride also may be the softener salt of choice among customers who are especially health conscious or concerned about the environment.

Aqualistic Water Softeners can use either Potassium or Sodium chloride. They are also capable of switching back and forth if you should change your mind.