"Successful" is always subjective, but to me it is stability, no losses, good growth and coloration. And I realize much of what I just wrote is subjective as well. Also, my goals/expectations are not the same for my display tank vs. my frag setup.
I stated clearly that there is more to a successful tank than light alone, and also said that corals had to appear healthy showing good growth, coloration.
Colours turned brown and green ... yes the brown and green look fine but the rest were not brown and green before.
Mate, I've been around this hobby long enough (30 years) to know how to acclimate corals to changes in light source. 5 Years after implementing LED the colours have not returned. I think that is long enough for the sps to acclimate to the change in light source.
In some cases light intensity is critical. There are several hundred zooxanthellae clades, some are highly adaptable to light intensity (these are called generalists) while others thrive in only a narrow range of light. In general, Acropora species are tolerant of a broad range of light. I wrote several articles on the subject and can post links if anyone is interested.
reefs.com
Streetcred,
aquariumstoredepot.com
www.saltwateraquarium.com
I'd go with the t5s and later add the leds. T5s will be plenty of light for softies give even coverage and give the proper spectrum. Then later add the leds ai or if you want little more shimmer 2 kessil a160s would give you the blue pop and plenty of shimmer.Not trying to hijack your forum but I figured many of you could help with a lighting decision I'm facing. I'm currently cycling a 90g tank that I plan to move my 36 over to. At this point I've yet to purchase a light for this tank because of uncertainty and not wanting to buy something I may need to replace later down the road. So after tons of reading I've picked two different lights, however I'm struggling with choosing between the two. I need input on the choice, for now I only have softies but hope in time to have a wide range of corals except for the rare/extremely hard to grow. Currently only have $400 to spend but would like LED at some point either by hybrid option or full LED. Which would you choose?
1st choice - (2) Ocean Revive T247-B
Ocean Revive T247-B Full Spectrum Dimmable LED Reef Light
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2nd choice - Aquaticlife G2 T5HO Hybrid LED, (As money allows add 2 AI Primes)
48" G2 T5HO Hybrid LED T5 Mounting System BLACK w/End Caps - Aquatic Life
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Disregard I just read the article and posted the question before reading the discussion
I've collected some data in tanks with LEDs. The issue is with ramping up and down and varying spectral data. In essence, when one is running such a schedule, we're dealing with a different light many times a day. Things were much more simple when we were dealing with an on/off cycle and a specific spectrum.
I'm thinking about getting an apex pmk if I do I might send you the results and have you help me out lol.
The only advantages I see with programmable LED luminaires are showcasing coral fluorescence and mimicking dawn/dusk that is apparently important in inducing spawnings in some fish species. But lights with programs for storms/lightning... give me a break.
