Hi I got a new frag of zoa's at a lfs and they were open and very nice. When I brought them home I put them in my tank about medium height in the tank. There was a small power head gently pushing water to them far away and only two would open so after a week I moved them a little lower and a place with a lot lower flow thinking that was bothering the rest. Now none of them open. I have a new reef breeders photon light that at the peak is 60% but the zoa's don't open at all. I didn't dip them cause I ran out of dip. Water levels are a ok. Not sure why they looked so good at the store and not in my tank.