I have a SmartPure Sanitizer T-CELL-5, with yellow light on "inspect cell", and red on "low salt".
THe house was bought this summer, and I don't have much details of the pool equipment.
I sent the water sample to pool store and got salinity reading of 3300~3400 ppm, other numbers are all fine. I don't what that 'low salt' light means.
when I push the diagnose button, the reading is
Does anybody have experience of this equip? Can you tell what I should do?