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#1
11-17-2010, 03:14 AM
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Acro bleaching question
I have a purple Acro, in the past 9 months or so it has grown nicely from a 2" frag to several inches across. A couple of days ago I moved a powerhead, and inadvertently one branch of the Acro was being blasted full force by a Tunze 6105 Stream from about 3" away.
Yesterday I noticed the tip of that branch was bleaching so I moved the powerhead away from the coral. Today about the last 3/4" of that branch is bleached, the rest of the Acro looks fine. All routine water parameters (temp, Alk, Ca, Mg) are within normal limits, nitrate is zero to 0.5 and all the other corals are fine. My question is, will the bleaching spread to the rest of the Acro and should I trim off the bleached branch to prevent it spreading? Obviously mechanical trauma started the bleaching problem but if there is some kind of infection setting in on the damaged part of the coral then would removing that branch help?
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120 gallon sps/anemones/LPS reef since 2004 Apex controller 8 x 54 watt T5 PowerModule Herbie's silent overflow system Jebao DC 12000 return pump Jecod CP-40 Cross-flow circulation device Mini Bubble King 180 Barr Aquatics calcium reactor Bucket fuge Last edited by trilinearmipmap; 11-17-2010 at 03:16 AM. 
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