Kessil H160 user here and extremely happy with it. What are your goals with the fuge? If you have a light bioload and don't need heavy export, then you can get away with almost any grow style light, but if you're aiming for consistent, heavy export, then I would look at a light that's completely designed for that purpose. I have a 90g with a 35g sump, but the total system is around 100g give or take. The Kessil isn't cheap, but I can fine tune the intensity and if need be fine tune the spectrum. I'm a firm believer in heavy in, heavy out and the Kessil is a big part of that process for me. I usually have to remove 2/3 of my chaeto every couple weeks or it grows out of the water.