Yep, Kevin, I mean Howard. He brought me to the light, too. By far, the most helpful advice I've gotten has been from him.

I don't recall an actual chart about the total fcs, but I know what you're talking about. I think it might have been a complicated math thing, which I purposely would have blocked from memory.

This isn't exactly what you're thinking about, but it's from "Ortho's All About Orchids":
"What fluorescent lights lack in intensity, they can make up in duration. Use a timer to set the day length. . . . November to January 16 hrs/day; February to June 18 hrs/day; July to August 16 hrs/day; September to October 12 hrs/day."
Liz