Back from being out of town for 10 days, but had someone putting 3 gal bleach daily after I held at shock level(25PPM) for 5 days. Here are my readings from yesterday.

FC 18
CC 0-.5
TC 18-18.5
PH 8.2
Alk 230
Cal 610
CYA 120
Temp 82

Today FC is 14 w/no bleach added. Water is clear as always and no visable algae. Where do I go from here?

Do I keep cl in between 8 and 15 due to the high CYA? Do I need to do a partial drain to lower CYA?

PH jumped up dramatically from first tests. I'm in between 7.8 and 8.2 today. Should I be concerned with that?

Also, I have a slick white chalky substance on my plaster. Could that be calcium buildup? Should I be concerned with high calcium?

Sorry for all the questions.