Salt Pool PPM

Calculate salt needed to reach target PPM.

Verified ToolUpdated: January 10, 2026
Input Parameters
Calculated Result
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Salt Needed (lbs)

Methodology & Sources

To find the salt needed, we calculate the deficit in PPM, convert the pool volume to weight (Gallons * 8.34 lbs/gal), and then apply the PPM ratio/fraction.

The underlying formula used is:

((Target - Current) * Vol / 1,000,000) * 8.34

References

  • Hayward/Pentair Manuals

Frequently Asked Questions

What is ideal salt level?

Most salt generators require 3000-4000 PPM.

How much is 8.34?

8.34 lbs is the weight of 1 gallon of water. We use this to convert volume to weight.
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