If the new lights do not work, try moving them further away from the lights (if you have a ledge, try putting them partially under it, I see they are already on the bottom). My blues do not care for very much light. I put them under PCs about a year ago, and the ones in the middle to the top of the tank do not open much, but the ones at the bottom do. I have a few under a ledge with very little flow, and they seem to open the best.
Hope this helps a little.