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-   -   Lights too strong for corals? (http://www.canreef.com/vbulletin/showthread.php?t=91061)

LeanneP 10-26-2012 02:11 AM

Lights too strong for corals?
 
I have been having some phosphate issues with my tank so my corals are not doing well but I have also noticed that they are closing even more when my halides are on. I replaced one bulb a few months ago and the other about 6 months ago. They are 250 watt 13000 k for a 90 gallon tank. Is this too much? I have them only on 4 hours a day. I was going to do them for longer but the corals don't seem happy with them on.

Leanne

jorjef 10-26-2012 03:46 AM

Are you sure they're still alive...

apexifd 10-26-2012 03:47 AM

They look kind dead to me

LeanneP 10-26-2012 04:45 AM

Hammer is still alive but the frogspawn is barely opening now. Is it too far gone?
Leanne

LeanneP 10-26-2012 04:47 AM

I'll take a picture tomorrow when they are open again.
Leanne

reefwars 10-26-2012 04:50 AM

If there's an intact mouth its not too late although by the looks of it they won't make it.

Brown jelly??

I run a 250 w halide 20000k on my 25g cube thats only 18" corals can handle lots of lgjt but they need to be acclimated to it.


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