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Old 05-11-2009, 03:33 PM   #1
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how do i know my corals are getting enough light

i have a few sps and how do i know that they are getting enough light. i have frags of these coral i dont know the name but have pics of the colony. they are all about 7-8 inches from water surface and the lights are about 5-6 inches off the surface. they seem to be doing good but they dont look as good as where i got them from.

lights are dual 175 watts mh 14k w/t5 actinics
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Old 05-11-2009, 04:18 PM   #2
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Without an actual PAR meter it will be subjective. If the corals are healthy, growing, polyps out, etc. I'd say you have enough light. It will be a matter of observation. How long have you had them placed?
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Old 05-11-2009, 04:26 PM   #3
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If your lights are of a different kelvin rating then the place that you bought them from they will look different. ie: if the place had them under 20k w/no actinics and you now have them under 14k...
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Old 05-11-2009, 04:27 PM   #4
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will for the first week(7 days) i have them towards the bottom and now i have them on this position for about 4 days their poly extension is not as much as it supposed to be but they still hold their color pretty good.
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Old 05-11-2009, 04:29 PM   #5
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If your lights are of a different kelvin rating then the place that you bought them from they will look different. ie: if the place had them under 20k w/no actinics and you now have them under 14k...
the place i got it from had it under dual 250 watt mh 14k with no actinics and was about the same distance from the lights.
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Old 05-11-2009, 04:50 PM   #6
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Give the corals time to adjust to the difference in lighting. I had dual 175w MHs running on a 120g tank for quite a while and had great growth along with excellent color and polyp extension. Give them time to adjust. I believe they will be just fine under your lighting.
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Old 05-11-2009, 04:54 PM   #7
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ok hearing that from you is always great.


is a rainbow monti a good attraction cause i was gonna get one but dont know anything of it.

this is how it looks like
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Old 05-11-2009, 04:57 PM   #8
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Rainbow, superman, sunset, pokerstar montis tend to be very particular about water quality and flow. I would let your tank mature a little while longer before dropping the $$ for those corals.
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Old 05-11-2009, 05:06 PM   #9
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Rainbow, superman, sunset, pokerstar montis tend to be very particular about water quality and flow. I would let your tank mature a little while longer before dropping the $$ for those corals.
yeah i was looking around the these monti are lots of money but i have a local reefer here that sells frags for a pretty good price if i go buy it from him directly which is only down the street from my house. **** sell my any frags of sps for 10 and online is only about 20-30 buck per frag he has a site if you want to check it out. his price is good and ive seen his coral in person they are amazing.

coral, zoa, zoanthid, lps, sps, chalice, acan,
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Old 05-11-2009, 10:21 PM   #10
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I thnk you have enough light for them depending on placement or how deep your tank is. By the colonies you posted I think you have:
Acropora Gomezi
Acropora Millipora
Garf Bonsai Acro

I would really like to find a frag of a Deep Blue Gomezi myself
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