Water Hardness 15 Grains Per Gallon

One grain per gallon gpg is equivalent to 17 14 parts per million ppm. Iron removal limitations will vary with water softener units. Ft3 resin x resin exchange capacity typically 30 000 grains ft3 grains capacity.

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Elite Series Tier1 Hardness Iron And Manganese Filter And Water Softening System

The total hardness you need to set will be 25 on your softener to account for the iron levels.

Water hardness 15 grains per gallon. As i said before though get in touch with the manufacturer or check the manual where this information is often provided on how to adjust for iron levels. Measurement of water hardness. 0 3 5 grains per gallon gpg moderate. To determine your daily hardness removal need multiply daily household water use measured in gallons by the hardness of the water measured in grains per gallon.

Water in these two categories is by most accounts. 118 ppm th 6 9 gpg. Grains per gallon is the business standard approach for talking about water hardness. 1 gpg 1 pound per 7000 gallons.

Divide the ppm hardness value by 17 1 the conversion factor for ppm to gpg. Beware of companies that tell you that each ppm of iron is equal to 4 5 grains per gallon of hardness. This range signifies the grain capacity of most water softeners available on the market. 400 gallons used per day x 15 grains per gallon hardness 6 000 grains of hardness must be removed daily.

The only time you see this is when an unscrupulous company is using a water softener as an iron filter. Work out 180 17 1 10 526. 1 gpg 17 12 mg l ppm 1 clark degree 1 2009 gpg. Formula to measure no of grains to be removed.

1 dgh 1 042645169. According to the water quality association. 1 gpg 0 017118061 kg m 3. For example let s say your water hardness is 15 gpg and you have 2 ppm of iron.

If a test for hard water is measured in parts per million or milligrams per liter you can take the total hardness level and divide it by 17 1 to get hardness in grains per gallon. Depending on your water hardness number daily water use and the number of people in the home you may need a smaller or larger grain capacity softener. Total hardness ppm total hardness gpg example. The result is the water hardness expressed in grains per gallon.

Typically water that contains less than 1 grain per gallon is considered soft while water with 1 to 3 5 grains per gallon is slightly hard. Water hardness can be measured in gpg or ppm but gpg is the most commonly used measurement. For example say you have a water hardness value of 180 ppm. Jumping mg l by 17 1 will change it to gpg.

Calculate softener capacity in grains. It takes 17 1 ppm to equal 1 gpg. Hard 7 10 5 gpg total grains x 17 1 equals ppm extremely hard water 10 5 gpg total grains x 17 1 equals ppm warning. 1 mg l ppm 0 058417831 grains per us gallon.

If hardness is in mg l or ppm convert it into gpg by dividing it with 17 1. For example if your water test shows 250 mg l hardness you actually have 14 62 grains per gallon. A grain of water hardness is comparable to 1 7000th of a pound. Convert water hardness from ppm to grains per us gallon.