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Old 12-09-2013, 06:58 PM   #11
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So is the consensus that I should wait it out? I have them on 25% each now and no improvement with the coral such as them even opening. The gsp rock I believe is shot, moved it out last night to t5 setup and it still isnt opening. :-(
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Old 12-09-2013, 07:06 PM   #12
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Are you certain it's the lights? It's pretty hard to nuke GSP, but it could happen. I think if you don't see some polyp extension in a week at lowered power levels, I would look to other potential issues.
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Old 12-09-2013, 07:11 PM   #13
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Yes, I say wait it out. Once I changed out my metal halides for new lamps. Didn't use window screen or anything like that and the tank looked awesome.....well, for about a week, and then everything started melting on me. It took months for them to fully recover.
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Old 12-09-2013, 07:18 PM   #14
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I certainly agree, but I haven't ever seen GSP bleach. It should be the first stuff that comes back out IMO. The hard corals could take a while.
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Old 12-09-2013, 09:56 PM   #15
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My symphodium didn't take too well to the radions. Even some of my Los aren't happy. Thinking about turning them down again.
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Old 12-09-2013, 10:35 PM   #16
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I'm still at 25% and the duncans look very bad, they have receded into the sockets and now my stunner claice is bleaching on all the ends......Even the leather that was doing really well didnt open today. Should I go with just blues maybe at the lowest I can get them or is it too late?
All those corals i mentioned are on the sandbed.
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Old 12-10-2013, 12:28 AM   #17
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Yes, just blues is fine right now. Actually, that's more intense than the whites for them.
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Old 12-10-2013, 12:46 AM   #18
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ok, starting tomorrow i will run the blues on the minimum setting. I hope it will save them, some of these corals I have had since i first started. :-(
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Old 12-10-2013, 01:52 AM   #19
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On my 55 I went from a 4 bulb t5 to 2 tao's with 90 degree optics. I hung them 6 inches and started them at 50% for a week then turned them up to 75%. This was way too strong and I bleached out some sps really bad but my lower lps and softies like gsp were fine. I now run them at 25% and won't turn them up over that. It's more than enough light.

I'm assuming you've checked all you parameters? When ever I have polyp issues it usually is the result of low alk or ph...
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Old 12-10-2013, 08:50 AM   #20
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pH is a little low but everything else is just fine. And the ph isnt that low lol, maybe about 7.9...
The gsp "mat" is all glossy and has some brown algae on it as well. I was gonna blow some of the algae off and hope for the best. Since it was put under the t5's again it looks like a couple polyps "might" be trying to come out, so I'm hoping thats a good sign. I even had screening over the glass tops to help diffuse the high light.

I gotta say thank you to everyone who has responded, its really nice to have people I can go to when trouble arises. i willwork on placement today and get everything lower in the tank too, hoping that will also help. Though most are already on the sandbed.
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