Test results from pool store as of 10 am today:

Total Chlorine = 1.7
Free Chlorine = 1.7
CYA = 35
PH = 7.2
Total Alkalinity = 95
Adj. Total Alkalinity = 84
Copper = .5

Slight return of stain to steps and small area (10 x 15) in shallow area (near return ports)