Best Lighting for 125 Gallon Tank - Price Not an Issue - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 14 Old 09-07-2008, 11:09 PM Thread Starter
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Best Lighting for 125 Gallon Tank - Price Not an Issue

What is the best lighting for a 125 gallon tank (24" deep). Price is not an issue because my father is an electrician and can set something up for me at wholesale prices.

I know that MH is the best. My question is how many bulbs, how many watts, how many lumens, etc.?

I plan on keeping soft and hard corals and anemones.

Anything else that I need to know?

Thanks in advance
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post #2 of 14 Old 09-08-2008, 12:28 AM Thread Starter
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What about three 250 watt MH bulbs?

What light spectrum? I read that 6500 Kelvin is the best for corals, but looks ugly (need to supplement with VHO tubes or something else).

I also read that 10,000 Kelvin is not as good as 6,500. What do you guys think?
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post #3 of 14 Old 10-15-2008, 08:15 PM
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3 250W MH would be good and you would be able to keep most anything under them with good reflectors (lumenarcs and spider reflectors work well) as for spectrum. yes 6500k are good for growth but as you said they look ugly. i'd say 10000k is true white and other use VHO still for supplement. Corals need all spectrums possible to get good coloration. I use 14000k for the more blue look and i love the shimmer effect but to each his own.
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post #4 of 14 Old 10-15-2008, 10:14 PM
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6500k is for plants. You need at least 10000k for corals, but 14k and sometimes 20k if you like blue for MH. Also, three 150Ws would work, or maybe 1 250 and 2 150s. 3 250's is a lot of light, heat, and electricity output, and that could be overkill for corals. I wouldnt go higher than 2 250's and 1 150, but if it was me, I would go 1 250 and 2 150's.
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post #5 of 14 Old 10-15-2008, 11:30 PM
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you can use 6500k and everything i've heard corals grow like crazy, but they have no real color. most pet stors will grow corals under 6500k lighting and then move them to an actinic bulb for color then sell them. Corals need diff spectrums to get proper growth, but 10000k true white are the most preferred and apeasing to many.
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post #6 of 14 Old 10-16-2008, 06:30 PM
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Not to start an argument (Lol, ) but everywhere I have seen and read have mentioned 10k bare minimum. 14k-20k for SPS. and, 6500k-6700k looks bad too IMO. But, we all have opinions.
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post #7 of 14 Old 10-17-2008, 05:06 PM
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I've heard and seen otherthing as well. but it's a really ugly color. and makes all corals just look wrong. i wouldn't do it and i love my 14k so eh. 10k look good too though.
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post #8 of 14 Old 10-22-2008, 01:23 PM
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If money is not an issue, how about putting a Solaris LED fixture on the tank
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post #9 of 14 Old 10-23-2008, 01:37 AM
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ooh, yeah do that and then put many pics. nice call dfurbee
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post #10 of 14 Old 10-27-2008, 02:40 PM Thread Starter
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What's a Solaris LED fixture?

I am ready to get the lights, but now I realize that I have a bar in the middle of my tank so I can't get 3 lights - would have to go with 2 (otherwise I would have a big black spot in the middle of the tank. What about 2 x 250 watts, or would I have to do 2 x 375 watts?

In regards to the light spectrum, I was reading an article (i'll try to find it) where the guy said 20,000 lumens really stopped his corals from growing. He recommended 6,500 or 10,000. 14,000 if you prefer bluer light, but personally I like whiter light instead.

What can I use for moonlights - are these bad for corals (i.e. don't corals need to rest without light sometime)?
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