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#1
07-29-2011, 03:05 PM
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What's your lighting schedule ?!
Hey everyone,
I just wondering if any standards are for lighting schedule or it is something personal! Here is mine : Moonlight 7am - 9am , 10pm-11pm Actinic 9am - 10pm Main lights 12pm - 8pm Thanks 
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#2
07-29-2011, 03:27 PM
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Most people will run actinics or blues 12 hours a day give or take, some people up to 14 hours. The whites/halides are where you will see the biggest difference. Some people don't separate blues from whites or just use purely halides with no actinic supplementation. So you will get some people running whites or halides up to 14 hours as well. For those separating them most people run the whites/halides 6-10 hours, with the "usual" being 8 hours.
In the wild, most of the critters in our tanks come from oceans relatively close to the equator so their days are pretty close to 12 hours light, and 12 hours dark. The light doesn't vary much more than 13:11. Keep that in mind when you're thinking of your lighting schedule. Personally, I have experimented with actinics 10-14 hours, and halides 6-8 hours. I honestly note absolutely no difference in growth, color, or general health of my tank. So I run actinics for 12 hours, and halides for 6 hours. This way my halides will go longer before needing to be changed out. I will often run the actinics for 13 hours in the winter just to add some light to our short winter days!
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#4
07-29-2011, 03:56 PM
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Thanks myka for great explanation and thank you madreefer
 I am changing my main lights from pc to MH , I guess I should decrease my main light from 8 Hours to 6 , 2pm on 8pm off. Is moonlight effects on anything or it is just for beauty and those not matter when goes on and off?
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My Lovely RBTA and Clownfishes
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#6
07-29-2011, 04:30 PM
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Just finished up my arduino project, so my lighting schedule is set to the sunrise/sunset times in the gold coast. Means shorter days in summer(Their winter). i have it offset by 4 hours so sunrise is about 11am now, sunset at 11pm. atinics are on for 1 hour after sunrise, then one MH turns on for 70% of the daylight time. for the last 70% the other MH is on followed by a 1 hour dusk with only actinics.
Do i think it will help my coral grow better? honestly? no. But i was bored, and this seemed pretty cool.
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My 150 In Wall Build
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#7
07-29-2011, 04:45 PM
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Quote:
When you are changing from a lower light setup to a much higher light setup you will want to go very slowly. Start off with only an hour or two of halide, and increase it by a half hour every 2-4 days watching how your corals are doing. Watch for shrunken flesh in LPS, and bleaching. Usually corals will bleach slowly when it comes to more light than they are used to, so if you see bleaching the problem has been happening for a few days already, so you would need to cut back by at least an hour before ramping up again even slower. Moonlights are aesthetic. It is well known that spawning activity and many other behaviors are linked to the moon's phases. So moonlights came along, and people quickly realized that it is the gravitational pull of the moon's phases, not the actual light provided by the moon that affects the ocean's inhabitants.
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#9
07-29-2011, 05:26 PM
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This would be my light systems change plan from PC to MH :
2Pm to 8Pm : 15 min ON 45 Min OFF for week 1 30 min ON 30 Min OFF for week 2 same for week 3 45 ON 15 OFF week 4 same for week 5 Full time on after that. How is that sounds?
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