Salt Calculator
Calculate how much salt to add to your salt water pool or hot tub for your SWG system.
For educational purposes only. Always test your water and consult product labels before adding chemicals. See our Terms of Service.
My Pool Settings
Climate & Cover
Typical Chemistry
Pre-fill calculators with your usual levels (optional)
30-50 chlorine, 70-80 SWG
60-80 recommended
250-350 recommended
Equipment
Select your equipment to personalize checklists
SALT CALC
Salt Water Pool Calculator
Test with salt test strips or electronic tester
Recommended for most systems: 3200 ppm
Salt Dosage
Salt to Add
-- lbs
Number of Bags
-- 40 lb bags
Will raise salt to
-- ppm
Buy Pool Salt on Amazon
How to Add Salt:
- Turn off the salt cell (just run the pump)
- Broadcast salt evenly around deep end
- Brush the bottom to help dissolve
- Run pump 24 hours, then retest
- Turn salt cell back on after salt dissolves
Salt Water Pool Guide
What Salt to Use
- Pool Salt - Purest, dissolves fast, most expensive
- Solar Salt (water softener) - 99.5% pure, good option, cheaper
- Morton System Saver II - Popular choice, widely available
- Avoid: Rock salt, table salt (iodized), salt with additives
Target Salt by Brand
| Brand | Target Range | Ideal |
|---|---|---|
| Hayward AquaRite | 2700-3400 | 3200 |
| Pentair IntelliChlor | 2700-3400 | 3200 |
| Jandy AquaPure | 3000-3500 | 3400 |
| CircuPool | 3500-4500 | 4000 |
| Intex / Bestway | 2500-3500 | 3000 |
Salt Too High?
You can't remove salt - you have to drain and refill. Add salt gradually and retest before adding more. Too much salt can damage the cell and cause a "salty" taste.
You can't remove salt - you have to drain and refill. Add salt gradually and retest before adding more. Too much salt can damage the cell and cause a "salty" taste.