*Round up where applicable.
Note: If your hardness is measured in MG/L or PPM divide it by 17.1 to convert to GPG.
Note: Calculations are based upon your softener system regenerating on an average of every 7 days.
If Your Daily Grain Requirements Are: | You Need a Water Softener With: | |
0 - 3,500 Grains Per Day | — | 24,000 Grain Capacity |
3,501 - 4,500 Grains Per Day | — | 32,000 Grain Capacity |
4,501 - 5,750 Grains Per Day | — | 40,000 Grain Capacity |
5,751 - 6,850 Grains Per Day | — | 48,000 Grain Capacity |
6,851 - 9,150 Grains Per Day | — | 64,000 Grain Capacity |
9,151 - 11,500 Grains Per Day | — | 80,000 Grain Capacity |