Thank you!
So, it looks like you have two bulbs per shelve?
T8 or T5?
T8 are a lot brighter than I thought.
I started out with 4 bulbs per shelve, then most plants hated it, and I reduced down the time from 13 to 9 now. gradually.
I even took one bulb out of each shelve last week.
One particular shelve, I took two bulbs out to just see what happens.
I don't get it because numbers don't add up.
The whole foot candle and lumens recommended for different orchids, they seem way off because each of my bulb says it gives 2,500 lumen. times four, and it is 10,000. That is the lowest end of what's recommended for "low light" orchids from what I read years ago. It is not, because paphs and phals are all hating it. They take nearly direct sun through the window with sheer curtain much better. To my eyes, the sun light through my window seems much much much stronger. so this gets me confused and rather frustrated.
Oh, well...
So, how long has everything in these photos been under this same set up?
They all look great, color looks great, and roth hybrid is spiking!