FC 9
TOTAL CHLORINE 9
PH 7.6
ALK 90
CYA off the scale
Vinyl pool
The CYA reading prior to refilling was about 120. Pool store said 60.
Re: CYA High or not?
FC 9
TOTAL CHLORINE 9
PH 7.6
ALK 90
CYA off the scale
Vinyl pool
The CYA reading prior to refilling was about 120. Pool store said 60.
Re: CYA High or not?
If you had a reading of CYA 120 before draining off half and refilling then something is wrong.
Did YOU do the CYA test before and after and exactly the same way?
Did you add something?
Carl
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