According to this survey, the salt level of a saltwater pool should range between 2600ppm and 3300ppm. The survey suggests that the frequency is not determined by time, but by PPM levels. Since this particular question seems to have a number of varying answers, talk to your local pool specialist to see what they feel is best for your area.
Answer: Once a month
Explanation: You may need to add salt every 1–3 months, depending on the above factors. Some pools may require less frequent adjustments.
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| Cabana Pool Service |
Answer: After it rains
Explanation: You typically need to add salt to your saltwater pool only when the salt level drops, which usually happens due to splash-out, backwashing, or heavy rain. Under normal conditions, salt doesn’t evaporate or break down, so you may only need to add it once or twice a year. It's important to test your salt levels regularly to ensure they stay within the recommended range, usually between 2,700 to 3,400 ppm (parts per million), depending on the manufacturer’s guidelines.
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| PoolLogic Pool and Spa Service |
Answer: Once a month
Explanation: This is an average you only need to add salt when your salt level drops below 3000 ppm. Some chlorine generators call for higher limits of salt to keep generating chlorine for you.
Yes, having a salt pool means you are generating your own chlorine, it does not mean you are chlorine free. |
| AAA Pool Inspector |
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| ProMatcher |
Answer: Once a month
Explanation: Usually about once a month, sometimes more, sometimes less, but this is the avg. |
| Larry Braziel Consulting |
Answer: Once a month
Explanation: when the salt level drops below 3300 ppm |
| Naples Pool Life - POOL CLEANING SERVICE |
Answer: After it rains
Explanation: If the level goes down past 2600 PPM it can damage the ionizing plates. |
| PoolMasters, Inc. |
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| ProMatcher |
Answer: Once a month
Explanation: Depends on salinity and other factors to maintain proper level |
| Sonny Kuhl's Powerhouse Pool Service |
Answer: Never
Explanation: Never, is a harsh word.
Since salt does not evaporate, you will rarely need to add more salt unless heavy rains dilute your pool water or significant water is lost from excessive splashing |
| WaterBender Pools |
Answer: Not sure
Explanation: This depends on the system. They are different sizes and will salt at different rates. |
| Backyard Boys Enterprise, LLC |
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| ProMatcher |
Answer: Not sure
Explanation: Once the recommended level has been established, salt level maintenance is minimal. Salt is then added due to loss of salt because of backwashing the filter, bathing suit drag out, water splash out, leaks, or rainwater overflow. |
| Dream Pools Inc |
Answer: Never
Explanation: Only if needed |
| SDPOOLMASTER |
Answer: Every three months
Explanation: Maybe as much as every three months. You should be measuring the salt level in your pool water as well as observing the control system. |
| NorCal Pool Builders |