Pool has been opened for almost 5 days. Started slamming and adding CYA right away.
CYA reading was 5 (Leslies)
Added CYA to ~~35 (R0013, Leslie reading was 42). Now, 3 days later 25-30 (R0013. Will test at Leslies, hoping their CYA test result is more consistent than mine)
Slammed according to...