# Sodium in softened water

Edy123October 17, 2012

Hi all,

I am seeing some gurus in water softening here and would like to post a question on it. :)

How much sodium softened water from Kinetico 2030S will have? The hardness of water in my house is 18 GPG. The rep says sodium level will be 8mg/grain/gallon, which makes the additional sodium of 144mg/gallon in soft water; is this correct?

Regards,

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justalurker

The formula for added sodium is 7.85 mg/l (about a quart) of softened water per grain per gallon of compensated hardness.

EXAMPLE 20 gpg * 7.85 = 157 mg of sodium added per liter of softened water, not salt.

How does this sodium content of softened water compare to sodium found in common foods?

The table demonstrates the usual range of sodium in common foods.

Food Amount Mg of Sodium

Ketchup 1 tablespoon 204
Milk 2 Cups 226
Frozen Peas 1/2 Cup 295
Corn Flakes 1 oz. 260
Parmesan Cheese 1 oz. 528
Tomato Juice 4 oz. 504
Tomato Soup 1 Cup 932
Chili 1 Cup 1194
Beef Broth 1 Cup 1152

October 17, 2012 at 10:09AM
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brickeyee

Depending on the level of sodium restriction in a persons diet, none of those foods may be acceptable.

On a severely restricted diet patients cook their own meals from fresh ingredients to control sodium intake, and even what may appear as a small amount in drinking water can quickly become a major source of dietary sodium.

'Sodium restricted' has been referred to as 'salt restricted' for a very long time.

October 17, 2012 at 11:48AM
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Edy123

Thanks justalurker; my confusion was if it was 144mg (in your example 157mg)per gallon of soft water or it is per liter of soft water. Its clear now, its around 150 mg/liter of softwater.That seems neglegible for a healthy individual.

October 17, 2012 at 1:40PM
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justalurker

"EXAMPLE 20 gpg * 7.85 = 157 mg of sodium added per liter of softened water"

So that would be around 600 mg/l sodium added to a gallon of softened water if the hardness of the untreated water was 20 gpg.

October 17, 2012 at 1:52PM
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Edy123

justalurker,
Thanks for quick response. :) In simple terms if anyone drinks 1 liter of soft water they will be consuming 157 mg of additional (assuming hard water will have some sodium in it already) sodium right?

October 17, 2012 at 4:40PM
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justalurker

It can't be explained any plainer than I already typed it...

"EXAMPLE 20 gpg * 7.85 = 157 mg of sodium added per liter of softened water"

157 mg/l is the amount of sodium that would be added to 20 gpg hard water.

October 17, 2012 at 5:10PM
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Edy123

Thanks for all your help :)

October 25, 2012 at 6:32PM
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