Rtn?

Happened to two frags, I personally believe it's either due to direct constant flow or adding a new 10g fuge with sand and mud (apparently you cycle mud?)

Anyway here are a few poorly taken photographs :/





Other half of SPS that is thriving. So it's weird one of the exact same can die off but the other is healthy?



Btw it's been nearly 3-4 days since this occured and I still haven't lost either corals, they seem to either be regrowing or are recovering but will be a slow process!

 

It could have occured as a result of the new fuge/ mud

the other thing that occurs to me is that
the SPS on the rock is doing OK , but the one on the sand bed is possibly STN or RTN

it could be something as simple as poking it into the sand bed like that has released nutrients locked up down there

I always place my new frags on either a plug that sits well clear of sand bed
or on a frag rack (for those plastic plugs that slot into them) low down close to sand bed

I have never pushed a frag or a frag plug into the sand bed, for fear of creating a localised high nutrient area

Steve

 

The only reason either of those are in the sand bed is because if I hadnt moved them they would be totally lost, once I saw tissue damage I immediately moved them to a safer area. Super glue gel works terribly IME, need puddy.

There are a few other factors that could've contributed, new LEDs, recently increased LED intensity, new fuge w/ mud, new PH, new heater.

 

The mud and LEDs are what jumps out at me. That is alot to stress a coral. STN or RTN could definitely result from that. I would dip the frags if you can.

 

I don't have any dips at my disposal - :/

Also since running the fuge my heat has jumped from 78 up to 82. I unplugged my heater and have not ran the fuge lights since yesterday and it's back down to 79. Not sure whats causing the increase in heat, if my heater is not set properly to turn off at the right temp, or if the fuge lights are producing too much heat, or even if my pump since it's 3' below the DT it's working harder, could be producing more heat as well.

Trying to get my temp consistently @ 80 - so far both frags are still alive. The candycane is regrowing on the spots that were bone, and the Seriatopora sp. still has skin and P.E. even as far down as to the base, it's just barely hanging on. The tips are still in normal looking condition, and yes, the other half of the original frag is doing great, which is weird.
That's why I think it was due to direct flow and not the temp, fuge, or mud

 

well i have Kent's Iodide not sure if that is the same.

 

Go to your local pharmacy and get some tincture of Iodine. There are some diy dip threads here on 3reef that will give you the recipe. I didnt read all of the responses but I would like to add one thing. You placed these corals in the sand bed with part of them covered up. These areas are no longer able to get light and thus they become useless to the coral. This may be what cause the recession in tissues.

 

Sorry but they were placed in the sand bed after they had already been affected, it was only a temporary place for me to move them while I was figuring out what was happening. They've both since been replaced to the rocks, the SPS near the other healthy specimen, and the LPS on a lower-mid spot

 

That makes sense Ashevillian , good that you did not press new frags into the sand bed

superglue is hit and miss IME, and I have had better results with 2 part epoxy or putties