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Old 01-16-2011, 12:26 PM   #1
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Are moonlights for a reef tank necessary?

Hey Everyone,

I have CoraLife lighting that is turned on for about 9 hours a day, on my 30 gallon reef tank. I have read some interesting stuff on moonlighting but wanted to ask here;
Is it necessary for the coral?
If it isn't necessary is it at least helpful?
Is it just to help showcase your tanks when they aren't lit?

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Trent
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Old 01-16-2011, 12:45 PM   #2
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They are really just for your viewing pleasure.
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Old 01-16-2011, 12:59 PM   #3
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Larry got it. Strictly to prevent us from getting a red filter for our flashlights to see in the tank at night. My moonlights follow the moon phases and I hate the New Moon time when the tank is in total darkness <g>.

BTW, most coral reefs get at least 12 hours of sunlight every day. Most folks therefore have a 12 hour cycle for the actinics and 10 hour cycle for the main lights to mimic a dawn/dusk effect, while giving the corals a 12 hour light cycle.
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Old 01-16-2011, 03:22 PM   #4
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I agree that they only for personal preference. The only moonlights my fish get is my computer screensaver. LOL
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Old 01-16-2011, 03:26 PM   #5
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yeah if hes referring to moonlights and not actinics theyre there for fun
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Old 01-16-2011, 05:17 PM   #6
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It was first thought that "moon lights" would cause the different corals to spawn. That didn't happen. But makers of Marine lights got on the bandwagon and started using them as a marketing point.
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Old 01-17-2011, 10:16 AM   #7
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To get corals to spawn you would need the setup I have on my LEDs that follow the moon phases from New Moon to Full Moon. Even with that I doubt my corals will spawn. Even if they did, it would all be gone by the morning as either fish food or skimmate.
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Old 01-17-2011, 10:48 AM   #8
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i've had a pocillopora spawn without any moonlights.
if you look closely at this old shot, you can see it encrusted on all of the glass panes



it was in the overflows, and any attached tanks as well as on every rock in the tank.

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Old 01-17-2011, 02:18 PM   #9
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that was neat! Thanks for sharing that.
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Old 01-17-2011, 08:11 PM   #10
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i see the xenia did too LOL
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