Bpb Posted January 10, 2015 Share Posted January 10, 2015 Sunset montipora had a dead spot show up right on top about the size of a polyp or two. Over the week this has happened. Is it possible the acropora 1.5" above it is releasing mesenteric filaments at night feasting on/assaulting the montipora? Last montipora I've added was a couple months ago and have never had any sort of monti pests to my knowlege. I've had this sunset for 6 months and it started as a piece smaller than the dead portion. No funky parameter stuff outside the temp/ph thing a few weeks ago. Quote Link to comment Share on other sites More sharing options...
Bpb Posted January 10, 2015 Author Share Posted January 10, 2015 Pic would help Quote Link to comment Share on other sites More sharing options...
FarmerTy Posted January 10, 2015 Share Posted January 10, 2015 I doubt it's the valida above it. Any changes in lighting? Quote Link to comment Share on other sites More sharing options...
Bpb Posted January 10, 2015 Author Share Posted January 10, 2015 Not immediately prior to this happening. I have switched to xm10k. Bulbs back on nov 29th. This just started this week. I put back up one of the window screens to reduce the par a touch and will plan to keep it up for the next few months so I'm not changing intensity too often. I think going screen less with these bulbs was a bit much anyway. Quote Link to comment Share on other sites More sharing options...
Timfish Posted January 10, 2015 Share Posted January 10, 2015 My first thought was lighting also. Just to throw some trivia out there the half life for many of the flourescing and chromo proteins corals make is around 20 days. When parameters change that influences the production of these proteins potentially it can take weeks for a corals appearance to be changed. I'm curious, have the polyps and tissue in the white area actually died or is it just bleached out? Quote Link to comment Share on other sites More sharing options...
Bpb Posted January 10, 2015 Author Share Posted January 10, 2015 Completely dead and hollow. Seems to stop where the shades area is. Leading me further to now think it may have been delayed response from light shock. Quote Link to comment Share on other sites More sharing options...
BBMarlin Posted January 10, 2015 Share Posted January 10, 2015 Any Alk dosing going on above the coral? Aptasia-X? -brett Quote Link to comment Share on other sites More sharing options...
Bpb Posted January 10, 2015 Author Share Posted January 10, 2015 Negative and negative. All dosing is in the sump. Haven't used aiptasia x in weeks Quote Link to comment Share on other sites More sharing options...
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