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Old 01-31-2012, 04:22 PM   #1
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Is my acro okay?

I was given an acro to see how it would do in my tank. I haven't seen anything bad with it yet but I noticed the bottom looks bleached. Is this normal? I have heard of necrosis (I think that's what it's called. Where you have to cut of the part of the coral thats still alive..) but I'm new at this. My Birdsnest and monti are doing great.
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Old 01-31-2012, 07:50 PM   #2
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I was on another forum and they said rtn... Can anyone verify? I don't know what to do.
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Old 02-01-2012, 07:38 AM   #3
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It's almost impossible to say what's happening to it except it is bleaching from the bottom up. There really isn't a definite answer on exactly what causes coral necrosis.
RTN = rapid tissue necrosis
STN = slow tissue necrosis
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Old 02-01-2012, 03:58 PM   #4
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It's definitely bleaching though? I saw it this morning and the polyps were out on the more colorful parts. If it does have necrosis, slow or fast, should I frag it? I really like the coral and don't want it to die..
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Old 02-01-2012, 04:48 PM   #5
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I just looked at it and one of the whiter parts is getting a little color back. It was pure white and had a very small spot of color at the tip. It is now more of the brown/ red than white. Does this mean it was just because of the acclimation? Sorry for double posting so many times, I don't usually do that.
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Old 02-01-2012, 07:49 PM   #6
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The acro frag I got looked 'bleached' when I put it in my tank in the exact same place as yours, found out it was just encrusting the frag disk it was on.. it was just new growth.. a week or so later it started getting the color of the rest of the frag.. maybe its just growing?
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Old 02-02-2012, 06:56 PM   #7
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Alright, I'll tell you in a few more days. I think Its getting color..
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Old 02-04-2012, 11:45 AM   #8
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That's not bleaching, it's skeleton showing.
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Old 02-04-2012, 12:04 PM   #9
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Isnt it the same thing?
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Old 02-04-2012, 01:03 PM   #10
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No. A coral can lose it's zooxanthellae, which will make it lose all color, but this is clearly areas where the flesh has peeled off completely.
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