I have a question regarding a jump in TA using 2014 chemicals and 2015 chemicals. I received replacement chemicals for my TF-100 kit yesterday. I ran the the usual tests today: TC,FC,CC,TA,pH with the new chemicals.
New chemicals readings:
TC: 5.0
FC: 0
CC: 5.0
TA: 170
pH: 7.2
I was...