I recently asked what people would suggest and got a couple different answers . So let me do this . I have a corlife compact floresent fixture I've had for years I plan to run that with a 50/50 build . But I know that is not enough lighting for some types of corals so ..... After looking into prices and such I've decided to supplement. More light with a par38 build that a couple people have suggested . My question is now I'm curious as to how well they work . Is there anyone out there who is currently running par38 or par38 led,s over they're tank that could show me how well theyre tank is going . . Anothr question. Have is . I have a solid piece of glass over my tank it's actually a piece from a large section I once have on my 55 gal set up . Do i need to be worried about that piece of glass obscuring the light going into the tank . Obvious the glass is clear I'm just concerned afoot like moisture build up blocking the rays of light . As always I appreciate everyone's input .