cyano

Well it's me again and again I am having questions about keeping millepora under my lighting. I have had these 4 millepora frags for over a month now and I figured I would slowly acclimate them starting from the bottom up to a higher location in the tank. I have all my brighter colored millepora just under halfway up the tank now but I have a more of a greenish colored one that I can't seem to get off the bottom of the tank. Everytime I moved it up even an inch all of it's polyps retract (I should ...