Love my prime, have it over a fluval m40 nano. Thing grows everything. Easy to use, looks good, outs out great color and is quiet. Best led bang for your buck when it comes to pendant style IMHO.
Thanks guys! I was looking at either the Prime, the IM Skylight, or some kind of LED PAR bulb from Rapid LED but I think I will go with the Prime. It's the only one I can adjust the color on and has a lot more features.