JoelATX Posted April 7, 2017 Share Posted April 7, 2017 It looks like a diatoms bloom on the surface of the Kenya tree. It's been doing fine for years, then two days ago I noticed this. It closed up and never reopened. Alkalinity 140, a little low I shoot for 160ppm Nitrate, near zero or my test kit has gone bad Calcium 325 Phosphate Zero Salinity 1.025 10 gal water change every couple of weeks. Weekly if I'm doing good. Not to say there aren't other problems in the tank of late. I'm thinking the nitrate and phosphate are so low because they are tied up into algae all over the tank. I fully expected to find nitrates and phosphates to be super high. I have other SPS corals that are looking their best in weeks. Any guess? Link to comment Share on other sites More sharing options...
mFrame Posted April 7, 2017 Share Posted April 7, 2017 My leathers occasionally look like that before sloughing off the outer layer, but never as thick as what you have. I'd try to siphon or brush off the majority of it, using suction to remove it from the water column Link to comment Share on other sites More sharing options...
JoelATX Posted April 8, 2017 Author Share Posted April 8, 2017 I brushed off one little spot Friday afternoon. The coating didn't return by noon today, but that branch didn't open any more. So by 3:30 it looked the same and I just brushed the whole thing. I noticed a little of the zooxanthellae coming off with the brown stuff. This stuff leaves a smell on the brush, that even transferred to my fingers. It's more of a mushroom/fungus smell than bacteria, I think. Weird! I'm giving the brush and my finger a little beach bath. Link to comment Share on other sites More sharing options...
JoelATX Posted April 16, 2017 Author Share Posted April 16, 2017 Things are not looking good, the black continues to grow back on the stem and it's pretty much completely withered. About 3 weeks ago the green anemone traveled around (or over) the Neon Green Nephthya Leather Coral. Could this be the result of that? I've included some photos of corals that are doing great. The plating coral has grown off the plug and is now cover the gravel. Those larger polyps on it are the new growth since the decline of the naphtha started. Link to comment Share on other sites More sharing options...
JoelATX Posted April 16, 2017 Author Share Posted April 16, 2017 I wonder if fragging it might save parts of it? Link to comment Share on other sites More sharing options...
jolt Posted April 16, 2017 Share Posted April 16, 2017 Sorry, I have no experience with those. Hopefully someone will chime in that has kept one of these ... Link to comment Share on other sites More sharing options...
Nbs coral Posted April 24, 2017 Share Posted April 24, 2017 Might try to Dip it in a iodine base coral dip? Link to comment Share on other sites More sharing options...
JoelATX Posted April 25, 2017 Author Share Posted April 25, 2017 It got so bad, I chopped off the ends, we shall see if they survive. Two of the 3 standup with light. Link to comment Share on other sites More sharing options...
JoelATX Posted April 25, 2017 Author Share Posted April 25, 2017 This is a close-up of the best of the 3 cuttings. Do those look like shoots coming out of the bottom of the cutting? That's a small rubber band going thru the middle of the cutting. Link to comment Share on other sites More sharing options...
jolt Posted April 26, 2017 Share Posted April 26, 2017 Moved this to Reef Keeping forum at OP's request Link to comment Share on other sites More sharing options...
JoelATX Posted May 22, 2017 Author Share Posted May 22, 2017 So if anyone runs into this kind of die-off, cutting the healthy parts sooner than later might be the answer. I did loose the smaller, worst looking cutting. These cutting are almost a month old and looking pretty good. The light source has little to no blue, so no phosphoresce. Link to comment Share on other sites More sharing options...
mFrame Posted May 22, 2017 Share Posted May 22, 2017 Glad to hear you were able to rescue some of it. I had a similar issue with my singulara about two years ago, which degraded almost in front of my eyes. I separated off the dying portion and the rest staged a full recovery. Link to comment Share on other sites More sharing options...
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