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Softener Sizing Chart

Water Softener Sizing Chart

HARDNESS IN
GRAINS PER GALLON
NUMBER OF PEOPLE IN THE HOUSE
  1 TO 2 people 3 TO 4 people 5 TO 6 people 7 TO 8 people
5-10 GPG 32,000 Grain 32,000 Grain 32,000 Grain 40,000 Grain
11-20 GPG 32,000 Grain 32,000 Grain 40,000 Grain 48,000 Grain
21-30 GPG 32,000 Grain 40,000 Grain 48,000 Grain 80,000 Grain
31-40 GPG 40,000 Grain 64,000 Grain 64,000 Grain 96,000 Grain
41-50 GPG 64,000 Grain 80,000 Grain 96,000 Grain 96,000 Grain
51-75 GPG 64,000 Grain 80,000 Grain 96,000 Grain 110,000 Grain
76-100 GPG 80,000 Grain 96,000 Grain 96,000 Grain 110,000 Grain

 

                   If your water is supplied to you by a city or municipality, we recommend contacting them directly first

                   for information about your water hardness. Most providers provide water hardness information on their

                   website or will provide if contacted             

                  

  1. To have a free test kit sent to you please contact us and select request a test kit. Or select submit a sample to send us a sample for full analysis.
  2. Ideal regeneration frequency is 4 to 6 days at 75% of total capacity. Why 75% capacity? 25% reserve capacity is necessary in case of excessive water use from time to time.

    Example: 3 people (75 gallons per person per day) in a home avg. 225 gallons of water used per day with 15GPG will need a 32,000 grain system set up for 24,000 grain capacity.
     
  3. If you need to convert hardness from ppm to Grains per gallon (GPG) divide the total water hardness  by 17.1.

    Example: 200ppm of total hardness / 17.1 = 11.69 GPG
     
  4. If iron is present in your water supply please add 5 grains of hardness for every 1 ppm of iron and determine your size water softener from there.

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