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  #1  
Old 04-04-2007, 09:25 PM
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Default What causes SPS bleaching?

I have had some colonies in my reef tank bleach out? My calcium is 430 and my alk is 9.4. Not all are bleaching out only two in the last couple of days? The PH and Nitrites, Nitrates, and Amonia are all in check. Thank you

Kris
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  #2  
Old 04-04-2007, 09:29 PM
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Rapid Tissue Necrosis?????

Link:
http://www.reefhq.com.au/bts/disease/index.html

Last edited by Scavenger; 04-04-2007 at 09:31 PM. Reason: wrong link fixed
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  #3  
Old 04-04-2007, 09:48 PM
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from Borneman's Aquarium Corals:
Quote:
Causes of Bleaching:

bacteria
chemicals
ciliates
coccideans
darkness
fungi
heavy metals
higher temperature
hypersalinity
hyposalinity
lack of water movement
light
medications
noxious agents
physical stress
red spectral light
sedimentation
starvation
stress
temperature change
UV radiation (suddenly increased or prolonged)
how's your temp?
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Old 04-04-2007, 10:38 PM
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Temp and a lack of flow are biggies IME.
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Old 04-04-2007, 10:49 PM
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From Doug,s book of coral disease;

"one looks at them the wrong way and rtn is started"




At least thats what it seems like to me. And I have seldom saved one by fragging. Seems to carry on. I like the glue seal trick though, as I used something similar with an iodine treatment years ago, when fragging other types of corals.
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  #6  
Old 04-05-2007, 01:44 AM
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My temp is between 79-81.5 throughout the day.

Kris
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