Maybe I am hallucinating but it seems the min CYA requirement for SWG on
Chlorine CYA Calculator
has increased since last year. The minimum acceptable went up from 30 to 60. What is the reason for this? Have there been some new developments or change in methodology?
Thanks
Chlorine CYA Calculator
has increased since last year. The minimum acceptable went up from 30 to 60. What is the reason for this? Have there been some new developments or change in methodology?
Thanks