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Old 07-28-2012, 11:33 AM   #1
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Bleaching SPS

Ok, I had lost power for about 16 hours due to a tornado. Since then, I lost 2 acros that totally bleached out in that time. I just noticed that my orange plating monti has bleach spots in the middle of it. It also appears that my pink stylophora is showing signs of stress/issues as well. My green flowerpot is not extending at all.

With that being said, my nems are extended showing no signs of stress. Same with the maxima clam. All corals on the sandbed are fine, including a green domicornis, duncan, acan lords. Birds nest and pink domicornis showing signs of possible bleaching at the tips.

Nitrate - 0
Phosphate - 0
Salinity - 1.025
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Old 07-29-2012, 11:04 AM   #2
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Lighting off for 16 hours won't do anything to coral health as far as I know..how long have you had them? Was there a temp swing? Did you keep the water stirred?
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Old 07-29-2012, 11:08 AM   #3
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Had them for 2 months. Unknown on the temp swing and the water was stirred once. I added some hydrogen peroxide to get water into the tank.
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Old 07-29-2012, 11:11 AM   #4
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I don't know if this could be.... But the lack of water movement through the corals could have done it.... 16 hours with one stir. I'm not sure... But when my power went out for about that long I stirred every hour.
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Old 07-30-2012, 10:50 AM   #5
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Quote:
Originally Posted by Sniperhank
Had them for 2 months. Unknown on the temp swing and the water was stirred once. I added some hydrogen peroxide to get water into the tank.
Water requires stirring every 30-60 mins usually also between that and the temp swing is what likely it causing your problems. Light had/has nothing to do with an only 16 hour power loss so the bleaching is not from that.
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Old 07-30-2012, 11:47 AM   #6
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That's what i thought. Thanks for doubling up schism.
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Old 07-30-2012, 12:53 PM   #7
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Either way there wasn't anything that I could have done about it since I was on the other side of the supposed tornado.
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