I always have trouble with maricultured mille that come in with very skinny branching formations. Not sure why, they even always are the first to loose color on their way back.its amazing the color changes the red and green variations go through in the first months of captivity. I just got a nice blue and pink mille that's started growing right when it hit the tank, very excited about that piece. So hard to find nice blue mille with contrasting polyps.
I also got a green frag of a very similar mille in bad shap too, which is slightly pink as it is aclimating in my tank.