I used TF-100 test kit. I have drained half of my pool and added water to reduce CYA. Added liquid chlorine Had a quick test after 4 hours of filter running.
Here is my result
Date
FC
Free
Chlorine
PPM
(6 to 11)
CC
Combined
Chlorine
Total
Chlorine
PPM
CH
Calcium
Hardness
PPM
250 - 650
TA...