Whirlpool WHES45 Troubleshooting Guide download pdf (Page 6)

Water Conditioning Information

Water Conditioning

Water conditioning is the treatment of f our general conditions. These a re:

Hardness

Iron

Acidity

Sediments

1. Hardness is a term to describe the presence of calcium and magnesium minerals in water. A

chemical analysis accurately measures the amount of minerals in grain weight. For example, one

gallon of water with 5 grains per gallon (gpg) hardness has dissolved minerals, that if solidified,

about equals the size of one ordinary aspirin tablet. One gallon of water, 25 gpg hard, has a mineral

content equal in size to 5 aspirin tablets. Water hardness varies greatly across the country. It

generally contains from 3 to 100 gpg.

Har dness minera ls combine with soap to make a soap curd. The curd g reatly reduces the cleaning

action of soap. Precipitated hardness minerals form a crust on cooking utensils, appliances, and

plumbing fixtures. Even the tastes of foods are affected. A water softener removes the hardness

minerals to eliminate these effects, and others.

IMPORTANT: Water softeners using sodium chloride (sa lt) for regeneration add sodium to the

water. Persons on sodium restricted diets should consider the added sodium as part of their overall

intake.Water softeners using potassium chloride (salt) for regeneration add potassiumto the water.

Persons on potassium restricted diets should consider the added potassium as part of their overall

intake.

Factor into your diet the amount of sodium or potassium shown below, based on your water

hardness and c onsumption.

Sodium Added to Water from Cation Exchange Softening

Initial Water Hardness

Sodium added by Cation

Exchange Softening of Water*

Potassium added by Cation

Exchange Softening of Water**

Grains per Gallon Milligrams Na+/qt. Milligrams K+/qt.

1 7.5 12.75

5 37 62.9

6 44 74.8

7 52 88.4

8 60 102

9 68 115.6

10 75 127.5

15 112 190.4

20 150 255

30 225 382.5

40 300 510

*If your water supply is 15 grains hard and you drank 3 quarts of softened water you would

consume 335 milligrams of sodium. That is equivalent to eating 2--1/2 slices of white bread.

**One large banana, about 9 inches in length, has approximately 600 milligrams of potassium.

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Whirlpool WHES45 Troubleshooting Guide Page 6

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