: Experts generally estimate 75 to 80 gallons per person per day .
: If you have well water with iron, add 3 to 5 GPG to your hardness total for every 1 PPM of iron detected . 2. Determine Total Capacity Needed what size water softener should i buy
For maximum salt and water efficiency, many experts recommend choosing a system where your weekly requirement is only about of the unit's total rated capacity . 3. Sizing Recommendations Household Size Hardness Level Recommended Capacity (Grains) 1–2 People Moderate (5–10 GPG) 24,000 – 32,000 3–4 People Moderate to High (10–20 GPG) 32,000 – 48,000 5+ People High (20+ GPG) Important Considerations How To Size A Water Softener: A Complete Guide : Experts generally estimate 75 to 80 gallons
Note: If your report lists hardness in parts per million (PPM) or mg/L, divide that number by to get GPG . Determine Total Capacity Needed For maximum salt and
