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I went from MH to LEDs.I have been into reefing for a long time, not as long as some of you, but longer than most. I have always been an MH guy. I know that LED's are taking over, which to a degree I anticipated, but there are a couple things that itch my brain and I would like to scratch that itch.
Seems there is always talk about intensity, PAR, and spectrum. However it also appears that every manufacturer out there displays their results but they all test in air....not in water. So when they say 260 PAR at 12 inches....they are referring to 12 inches below the light....in midair. Seems to be a tad misleading. And ALL of them do this. So here are my questions.
Again, I know LED is the wave of the future so to speak, at least until Plasma becomes affordable, but I have a bit of a confidence issue with LED's. I have tried twice in the past to run LED's and both times ended in disaster. MH on the other hand has never failed me. But it seems awfully hard to know what LED unit to look at when addressing your lights.
- How many LED owners out there run their lights at 100%?
- Do LED's really produce equivalent growth and color as MH or T5's? Meaning does 14k on an LED unit produce similar color and growth as a 14k MH?
- They say "wattage doesn't matter with LED's. If that's the case then what does?
- Does PAR actually matter? I see a lot of threads on AI Primes along with discussions about it's PAR and how it is only 260 at 12 inches and how it isn't strong enough. But I also see other LED's that people swear by and am seeing similar PAR readings.
I've alway ran them at a 100% I'm not a believer in the the whole acclimation theory in sps, lps and softies easy. There's no way are every day led man made light can be more powerful then the sun witch these corals r accustomed to for millions of years.How long did it take you to ramp to 100%?
They look like crap tho but here u go. I've got nothing to hideEmac, what are the dimensions of your tank? Can we get some pics of corals from the side?
Thanks. I usually have to turn the blues down and take under like 65k from them to look decent or the blues look fluorescentLED's play some funny tricks on iPhones. Your red planet and rainbow millie still look awesome from the side.
YepEmac909
Given their Cree LEDs and Optics, Radions are a good choice for a MH Replacement.
Comparing their PAR to MH each is roughly equivalent to a 175 to 250 watt MH depending on settings.
Bill
Completely agree with u. People tell me ATS don't work all the time. But it works on my 300. I have 2 itech200 skimmers in my sump that have been off for months cause the ATS keep my no3 levels undetectable and the po4 at 0.02. So yea they work for me.I don't agree with, and the only ones I ignore are those who'll tell you up front that their way is the only way you should be doing something.

