Salty would suggest an LED with mant emitters over a single puck style.
A single emitter needs to be higher of shading and shadowing. (use a flash light to experiment with). In MH and T5 is a very large source of light. That said said the Hydra radion kessil solution does work well if done correctly.
For me I like coverage, Ie Ocean revive, Photon, multiple black boxes (SBreeflight) or one BB that covers as much the length of the tank 16in 30 in 32 in.
SO when choosing a puck look for power at the height you need for coverage, AND how the tank will look (furniture quality) when looking at BB styles. Most BB have MORE than enough power.
The only curve ball is the kessil AP700 as somehow the managed to get two pucks to cover a 48x25 area completely evenly. (although L and R) may still have some shadow.
I have 3 12in ai sol on my 48inw 55g, and one 16in SBreeflight on my 20x20 cube. The ai is meh, the SB is oddly amazing. If I upgrade the 55 it'll be SB's or buildmyled.com.
Thanks for your reply. Since I don't have the tank to experiment with lighting or anything, it makes things a bit more difficult in terms of seeing light coverage, etc.
Anyway, I'm trying to think of my options for saving money and still getting what I am hoping to be able to get. Currently I'm planning the tank and don't have any equipment, and I've never done saltwater before, so I can't compare lights or use what I've used in the past, because I haven't used anything in the past lol.
Right now, I'm wondering whether to get a Current USA Orbit Marine
Pro, since it's apparently good for SPS corals, although that's just what the manufacturer says I think. Not sure whether it's good or not. Or, instead of that, I could get the sBox Pro 32" with the timer. OR, instead of THAT, I could get an AI Hydra 26 or 52.
Looking at the AI Hydra 26, two is expensive, but a single one would not cover the entire tank I don't think, because 'coverage specifications' says 'recommended spread: 18"x18" ' on one of the websites I looked at. And if I were to get the 52, at that point I think I'd rather just get two 26s so that I know for sure that I'm getting full spread. But after saying that, I'm wondering if I can put high light corals at the top below the light, medium light corals at the bottom ish of the tank (still below the light), and low light corals where the light doesn't quite reach. Would this work for the low light corals, e.g. would they get enough light if the tank light isn't directly on them? If it makes a difference, I sometimes get natural light coming in on part of where the tank will be, and I think it's sort of on the side, so could I put a single AI Hydra 26 on the other side where there is no natural light, and still put corals on the natural light side even if the tank light doesn't fully reach it?
I kind of don't want to bother with the single emitter thingy, like where I have to get multiple and place them properly in order to avoid shadowed spots. So, what would you recommend?
And I sure hope the OP doesn't mind that I'm asking lots of questions on HIS thread. lol