White residue on salt water chlorinator cell

[cdysthe]

Thanks again. I posted the pool data form as 'cdysthe'

The pool water:
Free Chlorine: 1.2 ppm
Total Chlorine: 1.2 ppm
PH 7.2
Hardness 350 ppm
TA 120
Cyanuric Acid 50 ppm


Fill water:
PH 7,2
TA: 340 ppm
Hardness: 350 ppm