TA question


Aug 5, 2018
jefferson hills, pa
TA question , just uncovered pool here in Pennsylvania.
FC 7.5
CC 0.5
CYA 50
TA 70
PH 7.2
The lamenated card in tf test kit suggest a TA of 100-120 for manually chlorinated pools.
Pool math suggests 50-90 . Which one is correct? The pool is crystal clear.
Thank you