My CYA consistently measures in the 50-60 range. With my daily FC testing, I have found whenever my FC falls at or below 4.5, I get .5 CC. My CC is always 0 if I keep my FC above the 4.5 mark. For the record, I am testing with a TF-100 and my current results are:
FC 6.5
CC 0.0
PH 7.6
TA 60
CH...