I've not done a good job of keeping up with full tests over the winter season (just chlorine and pH a few times a week. Here are my latest TF-100 test numbers. Should I be concerned with the T/A or CH? FYI, I'm doing the BBB method with liquid chlorine. Thanks!
3/10/13
FC - 4.5
CC - 0
TC - 4.5
pH - 7.5
T/A - 70
CH - 440
CYA - 30
3/10/13
FC - 4.5
CC - 0
TC - 4.5
pH - 7.5
T/A - 70
CH - 440
CYA - 30