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3
Water Softener Gallon Setting Chart
Water Softener Gallon Setting Chart
Instructions: First select the chart for your model of water softener, then simply line up the number of people living in the home
with the hardness of the water and select the appropriate gallon setting for your model.
at 6lbs salt/CF
.75 CF
Total Hardness in Grains per US Gallon
16500
10
15
20
25
30
35
40
45
50
1
1575
1025
750
585
475
396
338
292
255
2
1500
950
675
510
400
321
263
217
Number of
3
1425
875
600
435
325
people
4
1350
800
525
living in the
5
1275
725
home
6
1200
Softener could be undersized if # of people and hardness line up in this shaded area.
7
1125
Consideration may be given to a larger size unit to meet your needs.
8
1050
1.0 CF
Total Hardness in Grains per US Gallon
22000
10
15
20
25
30
35
40
45
50
55
60
65
1
2125
1392
1025
805
658
554
475
414
365
325
292
263
2
2050
1317
950
730
583
479
400
339
290
250
217
Number of
3
1975
1242
875
655
508
404
325
people
4
1900
1167
800
580
433
living in the
5
1825
1092
725
home
6
1750
1017
Softener could be undersized if # of people and hardness line up in this shaded area.
7
1675
942
Consideration may be given to a larger size unit to meet your needs.
8
1600
867
9
1525
10
1450
1.5 CF
Total Hardness in Grains per US Gallon
33000
10
15
20
25
30
35
40
45
50
55
60
65
70
75
1
3225
2125
1575
1245
1025
868
750
658
585
525
475
433
396
365
2
3150
2050
1500
1170
950
793
675
583
510
450
400
358
321
290
Number of
3
3075
1975
1425
1095
875
718
600
508
435
375
325
people
4
3000
1900
1350
1020
800
643
525
433
living in the
5
2925
1825
1275
945
725
568
home
6
2850
1750
1200
870
650
7
2775
1675
1125
795
Softener could be undersized if # of people and hardness line up in this shaded area.
8
2700
1600
1050
Consideration may be given to a larger size unit to meet your needs.
9
2625
1525
975
10
2550
1450
2.0 CF
Total Hardness in Grains per US Gallon
44000
10
15
20
25
30
35
40
45
50
55
60
65
70
75
1
4325
2858
2125
1685
1392
1182
1025
903
805
725
658
602
554
512
2
4250
2783
2050
1610
1317
1107
950
828
730
650
583
527
479
437
Number of
3
4175
2708
1975
1535
1242
1032
875
753
655
575
508
452
404
362
people
4
4100
2633
1900
1460
1167
957
800
678
580
500
433
living in the
5
4025
2558
1825
1385
1092
882
725
603
home
6
3950
2483
1750
1310
1017
807
7
3875
2408
1675
1235
942
8
3800
2333
1600
1160
867
Softener could be undersized if # of people and hardness line up in this shaded area.
9
3725
2258
1525
1085
Consideration may be given to a larger size unit to meet your needs.
10
3650
2183
1450
3.0 CF
Total Hardness in Grains per US Gallon
66000
10
15
20
25
30
35
40
45
50
55
60
65
70
75
1
6525
4325
3225
2565
2125
1811
1575
1392
1245
1125
1025
940
868
805
2
6450
4250
3150
2490
2050
1736
1500
1317
1170
1050
950
865
793
730
Number of
3
6375
4175
3075
2415
1975
1661
1425
1242
1095
975
875
790
718
655
people
4
6300
4100
3000
2340
1900
1586
1350
1167
1020
900
800
living in the
5
6225
4025
2925
2265
1825
1511
1275
1092
home
6
6150
3950
2850
2190
1750
1436
1200
7
6075
3875
2775
2115
1675
1361
1125
8
6000
3800
2700
2040
1600
Softener could be undersized if # of people and hardness line up in this shaded area.
9
5925
3725
2625
1965
Consideration may be given to a larger size unit to meet your needs.
10
5850
3650
2550
Figure 1. Gallon Setting Chart (based on 6lb per cubic foot resin – 22,000 Grains Capacity)