Salt System Sizing Calculator
Calculate the salt needed to reach target levels and determine the correct salt chlorinator cell size for your pool.
Inputs
gal
ppm
ppm
Results
Salt Needed
275 lbs
Cell Size
1 (1=15K, 2=25K, 3=40K, 4=40K+)
Chlorine Output0.5 lbs/day
Estimated Cell Life6.9 seasons
How to Use This Calculator
- Enter your pool volume in gallons — use the Pool Volume Calculator for precise measurements.
- Enter the current salt level in PPM from a salt test strip or digital meter reading.
- Set the target salt PPM — most systems run best at 2,700–3,400 PPM (check your chlorinator manual).
- Review Salt Needed in Lbs to bring the pool to the target level; add salt with the pump running.
- Check Cell Size Recommended and Chlorine Output per Day to match the right chlorinator to your pool.
- Use Estimated Cell Life to plan replacement costs — cells typically last 3–7 seasons.
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