Water Hardness 10 Grains Per Gallon

Grains per gallon is the business standard approach for talking about water hardness.

Water hardness 10 grains per gallon.

The only time you see this is when an unscrupulous company is using a water softener as an iron filter. The grains per gallon for moderately hard hard and very hard water are respectively 3 5 to 7 7 to 10 5 and over 10 5. Water hardness conversion table ppm mmol l mg l french degrees german degrees grains per gallon degrees clark 1 is 0 0099 1 0 1 0 056 0 058 0 07 10 is 0 099 10 1 0 56 0 58 0 7 14 3 is 0 142 14 3 1 43 0 8 0. Plus if your water contains iron you will need to add some additional hardness to it.

Degree of hardness grains per gallon gpg ppm or mg l soft 1 0 17 0 slightly hard 1 0 3 5 17 1 60 moderately hard 3 5 7 0 60 120 hard 7 0 10 5 120 180 very hard 10 5 180. Work out 180 17 1 10. For example say you have a water hardness value of 180 ppm. Jumping mg l by 17 1 will change it to gpg.

A grain of water hardness is comparable to 1 7000th of a pound. Jumping mg l by 17 1 will change it to gpg. One grain per gallon gpg is equivalent to 17 14 parts per million ppm. Water hardness can be measured in gpg or ppm but gpg is the most commonly used measurement.

The hardness on the softener head settings panel is determined by the number of grains per gallon of water gpg. Softening may noticeably improve the taste and quality of water in these. The result is the water hardness expressed in grains per gallon. 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. Ppm parts per million mg l milligrams per liter gpg grains per gallon manufacturing and water hardness utah has been moving up the ranks as a leading state for manufacturing bringing in more than 20 billion per year.