Hello -
This is my first summer using TFP -- so far so good! My main issue is I tend to have trouble reading my Ph and need advice on where to keep it for closing (pool company is closing us later this month).
Here are my latest numbers:
FC = 4.5
PH= 7.7 or 7.8
CYA = 30
Alk = 70 to 75
CH...