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Linda LambertAug 7, 2025
Why does my Polaris AutoClear SC Swimming Pool Filter say 'Check Salt'?
- TtimothykellerAug 7, 2025
The 'Check Salt' warning appears on your Polaris Swimming Pool Filter for several reasons: the salinity is under 3,000ppm, the pool water temperature is too low (less than 18 °C), or the cell is scaled up or worn. To resolve this, add salt to the pool to maintain a level of 3,000ppm (consult a pool care professional if needed), wait for the water to warm up, or clean/replace the cell.