So, I went to the spa store today and did a water test before I saw all these comments.
My results were:
pH: 7.8
TA: 96
Calcium: 90
FC: 0
TC: 2.2
CYA: 4.7
Phosphate: 0
They had me add an alkalinity increaser, a pH decreaser, and 4tbsp of chlorinating concentrate.
The water was not actually...