So here about 2-3 weeks ago I upgraded to a 48" NEP on a 75g from PC lighting. Prior to the switch my Toadstool had started loosing full polyp extension. That was about 2 weeks before I got the light. Still today, I do not get the beautiful full polyp extension plus the toadstool is a lot darker than normal. But when the lights go out, I get the full extension for about 2 hours and a great coloration. I'm not getting it. The only thing I can think is that the PC lighting wasn't enough, and the T-5 lighting is too much for where it is sitting. (Just so you know I have it about halfway up the tank. I got a spaghetti finger leather that is about the same distance up and is doing great). Any advice or opinions would be great.