Salt needed for a 15,000 gallon pool by starting level
Pounds and 40 lb bags to reach 3,200 ppm. Each 40 lb bag adds about 320 ppm to 15,000 gallons.
| Current salt | Salt to add | 40 lb bags |
|---|---|---|
| 0 ppm | 400 lb | 10 |
| 500 ppm | 338 lb | 9 |
| 1,000 ppm | 275 lb | 7 |
| 1,500 ppm | 213 lb | 6 |
| 2,000 ppm | 150 lb | 4 |
| 2,500 ppm | 88 lb | 3 |
| 2,800 ppm | 50 lb | 2 |
| 3,000 ppm | 25 lb | 1 |
If your salt system wants a different target
| Target | Salt from 0 ppm | 40 lb bags |
|---|---|---|
| 3,000 ppm | 375 lb | 10 |
| 3,200 ppm | 400 lb | 10 |
| 3,400 ppm | 425 lb | 11 |
| 3,500 ppm | 438 lb | 11 |
The working: 15,000 × 8.34 × 3,200 ÷ 1,000,000 = 400 lb. Target ranges by brand are on the pool salt level chart.
Other pool sizes
Questions people ask
How many bags of salt for a 15,000 gallon pool?
Starting from fresh water, a 15,000 gallon pool needs 10 bags of 40 lb (400 lb) to reach 3,200 ppm. If the water already reads 2,000 ppm you need 4 bags.
How much does one bag raise a 15,000 gallon pool?
One 40 lb bag raises a 15,000 gallon pool by about 320 ppm. A 25 lb bag adds about 200 ppm.
Is my pool really 15,000 gallons?
Volume estimates are often off by 10% or more, which changes the answer by the same amount. If you are not sure, use the Measure it option in the calculator, add most of the salt, then retest before adding the rest.