Birdsnest weird bleaching

chopper320

New member
I have a decent sized colony of pink birdsnest that has grown great in my system for about a year. I've fragged this colony multiple times without issue. I've had a few frags of this birdsnest growing out in my system for a few months. Just a few weeks ago the mother colony and frags all started getting bleached areas either at the tips or a little further down in the middle of the branches.

I have been cutting those sections off to prevent further bleaching but then new spots pop up within a few days. I have tried placing the frags in different areas of the tank but I get the same results.

I have quite a few acros montis and even a pro ape birdsnest that are healthy and no problems.

My params are
Ca 400
Alk 10
Mg 1300
Nitrate 0
Phosphate 0
I never really test ph

I manually dose 2 part nightly.

Considering that they bleaching is not really from the bottom up but mainly in the middle, does this sound like some sort of pest? I thought most pests disliked birdsnest and would go for the acros.
 
That sounds like some sort of pest, I would try to dip one of the frags, if you have a QT tank with lights that will support coral, you might want to try moving some of it in there as well.
 
Yeah unfortunately I'm one of the dummies without a quarantine. The strange part is that the colony still has great polyp extension and color except for the places that bleach. I've looked over every acro and monti in the tank and I can't find any signs of problems with any of them. I've examined the birdsnest with a magnifying glass and sure can't find any pests on it. I will try to check it out really well after lights have been out for a while tonight to try to catch something on it.
 
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