Above ground vinyl liner- so nothing applied recently. Solar cover was clean and had not been used so far this year at all until 10 days ago.

24 foot round
water temp 80 (was 78 the when the ph was 7.8-8.0)
ph 7.4
TA 180 - right where it has been all year... and in the same neighborhood for about 5 years
CYA 40-50 depending on my eyes and the brightness of the light source
FC 6