Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Swimming
Pool Chemical Dosage Calculator
Calculate how much chlorine to add to raise your pool to a safe target free-chlorine level, given current reading and pool volume. Use it for routine weekly shock treatments and for correcting low sanitizer readings after heavy use.
Fill in the required fields to see your result.
Swimming
Pool Salt Calculator
Calculates the exact number of salt bags needed to bring a saltwater pool from its current salinity to the target level for your chlorine generator. Use it before start-up or after heavy rain has diluted your pool.
Fill in the required fields to see your result.
Key differences
| Pool Chemical Dosage Calculator | Pool Salt Calculator | |
|---|---|---|
| Category | Swimming | Swimming |
| Inputs required | 3 | 5 |
| Result | Chlorine Needed (kg) | Salt Bags Needed (bags) |
| What it does | Calculate how much chlorine to add to raise your pool to a safe target free-chlorine level, given current reading and pool volume. Use it for routine weekly shock treatments and for correcting low sanitizer readings after heavy use. | Calculates the exact number of salt bags needed to bring a saltwater pool from its current salinity to the target level for your chlorine generator. Use it before start-up or after heavy rain has diluted your pool. |