FC - 1ppm
CC - 1ppm
pH - 8 plus
TA - ?????(using taylor kit and reading is turning yellow, instead of pink, after about 15 drops
CH - 100ppm
This is a commercial pool used for swim lessons and it is tested several times a day when we are open, but we are closed for 2.5 days a week and when I returned after the weekend the pH was starting to test high, and a day later it was off the charts.
The readings have been like this for 4 days. I have brand new reagents and I know they are working absolutely fine because I have another pool in the same building that I'm receiving stellar readings on.
The water has been crystal clear the entire time.