Staff Answer
Aug 18, 2026 - 10:42 AM
If your CircuPool EDGE-40 has either of these two LED warning lights on, review the low salt troubleshooting guide and the check cell troubleshooting guide. In both cases, it is important to independently verify the water's salinity level (use titration drops or a recently-calibrated digital tester), and ensure the cell has been cleaned thoroughly (sometimes more than once is required) so that when the cell is soaked with freshly-mixed cleaning solution no fizzing occurs.
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