More efficient that will be interesting. Wattage can be almost as high as with MH. Once you need 3 or 4 fixtures for a 48 + inches aquarium
my leds lasted 8 months... that's when i dumped them and returned to mh/t5.
What brand did you have? I have two of the D120 model's from EG running over my 75 reef for about nine months now and have encountered no problems what so ever with these units. I run the blue channel at 60% and white at 30%. I hope to get 5-7 yrs life out of these fixtures.
and for the record his lights didn't die, they came to my house
My corals are happy so far, except the ones that weren't before I made the switch, lol(these are zoas and not SPS...they have some bacterial crap nothing to do with lighting). I switched from 4 yr old DIY LEDs(old technology) that were on my tank for over 2 years.
I did test PAR on my previous LEDs when I got them and again just before changing them. The numbers were almost identical, so they do hold up over time.
I can't say I have a lot of SPS, but I haven't lost an SPS in a long time, and have seen many many tanks running LED with SPS just fine. Maybe MH/T5 will produce better results...but LEDs don't kill corals. There are plenty of people out there failing with MH/T5 as well! For me, the extra headache of the heat issue is something I don't want to deal with, I don't have full house AC and it gets damn hot in the summer.
I don't think many light fixtures get used beyond 5 years, LED, MH or otherwise. We love to upgrade and change things up too much!
100% true, and as far as sps's go the jury still out in my case; whether it was the led's or poor reef keeping on my part....