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Old 10-30-2006, 11:21 PM   #1
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Light upgrade question

Hi folks!

I just upgraded my lights from 2x 175W Mh 20k to 3x 250W MH 10k and, 96 W Actinic. My tank is 135G is a hair under 2' deep.

I read a long time ago about "phasing" the lights in so acclimitize the corals, but the specific details elude my memory.

For now, I'm just shortening the MH times from 8 hrs to 4-5. Does anyone remeber the specifics, or will I be ok with my "plan"?
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Old 10-31-2006, 01:08 AM   #2
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There are many ways to do it. If you get some kind of mesh such as bridal vail you can put layers on eggcrate below your lights and remove a layer a day. It is really simple.

Shortening and working your light time up can work but be careful to go slow and monitor everything.
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Old 10-31-2006, 09:58 AM   #3
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Mike had a good suggestion, just don't get it too close to the MHs. You could also up the lighting by 1 hour a week or so.
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Old 10-31-2006, 10:14 AM   #4
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I`ve always recommended starting off 4 or 5 hrs a day and then moving up to more hours slowly.
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Old 10-31-2006, 10:20 AM   #5
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Quote:
Originally Posted by melosu58
I`ve always recommended starting off 4 or 5 hrs a day and then moving up to more hours slowly.
Over what peroid of time? Just curious, I wasn't sure on the week thing, I just like to be cautious.
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Old 10-31-2006, 10:31 AM   #6
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I agree with what you said Scott. ! hr a week will be fine
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Old 10-31-2006, 10:42 AM   #7
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Cool, I wasn't 100% sure on corals, but I read it in a few posts. Thanks again, Mel!
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Old 10-31-2006, 11:33 AM   #8
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Metal screen for windows works good. Use like 5 layers and take one off every two days.
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Old 10-31-2006, 11:48 AM   #9
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That sounds good also tails. I`ve never heard that but it sounds reasonable
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