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Old 01-23-2014, 07:55 PM   #21
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Thanks! I have no clue what the zoas are. There are so many different ones. I'm just going to get like five more frags with all kinds of colors and let them go.
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Old 01-23-2014, 11:37 PM   #22
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Can you post a picture of the first coral with the whites on? Looks like a blue symphodium, but can't really see it.
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Old 01-24-2014, 08:39 AM   #23
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Originally Posted by PrettyFishies View Post
So this is what I got from the light manufacturer:

measured at center point

1ft 444 par
2ft 196 par
3ft 102 par

The bottom of My fixture is 5" above the top of the tank so that's 7" into the tank is above 400 and probably another 2" or so is at 400.

So can I think of corals light req's in terms of par?
Yes you can, Here's a helpful site https://sites.google.com/a/asira.org/www2/caresheets
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Old 01-24-2014, 09:57 AM   #24
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Quote:
Originally Posted by PrettyFishies View Post
So this is what I got from the light manufacturer:

measured at center point

1ft 444 par
2ft 196 par
3ft 102 par

The bottom of My fixture is 5" above the top of the tank so that's 7" into the tank is above 400 and probably another 2" or so is at 400.

So can I think of corals light req's in terms of par?
Not with LEDs. PAR meters do not get an accurate reading with them. I noticed that a lot less PAR can be sufficient. I think it might be because they penetrate so well. Not sure though.
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Old 01-24-2014, 10:38 AM   #25
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Be careful with placement of galaxea. They can have very long sweeper tentacles. I have seen mine with 6-8" once in a while.
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Old 01-24-2014, 02:25 PM   #26
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Here's the Galaxea. I have it placed in the corner where it's tentacles will go downstream into the glass and not near any corals or fish

Click image for larger version

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Sorry, not much of a photographer
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Old 01-24-2014, 04:41 PM   #27
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Perfect! That's how I have mine as well. Using flow pattern to keep tentacles away from other corals.
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Old 01-24-2014, 06:18 PM   #28
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Not with LEDs. PAR meters do not get an accurate reading with them. I noticed that a lot less PAR can be sufficient. I think it might be because they penetrate so well. Not sure though.

I have seen this with PAR meters and LEDs. I think the way LEDs are frequency specific can throw the meter off. Just shows you have to be conservative with HP LEDs.
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