weird RTN experiences

clkwrk

clkwrk

Active member
Hey folks . I have a weird RTN occurance that has happened a few times.

Let see how to explain. I have mutiple tanks throught the house for 1 .Next I have a habit of fraging my sps for safe keeping and placing the frag/s in a seperate tank sometimes in 2 seperate tanks .

Well on a number of occasions I have had a paticular coral RTN in 2 or 3 tanks at once? This is even after some of the frags have encrusted and growing to frags that are semi fresh cuttings. Now the rtn never spreads to any other acros except for frags from the same coral .

Now I find it extreamly weird that one acro and it's frags in another tank or tanks can rtn on the same night leaving all other acros uneffected???

The only explaination I can come up with is that prior to receiving the coral it got stressed to the point that it already decided it was going to go but it was just a matter of time .


Has anyone experienced the same or close????

TIA
 
That is strange, I've had frags RTN after they are freshly fragged and haven't healed, but not like the way that you are describing, how long have you had the corals, and is it just one particular type of coral, or is it happening to different types of acros???
 
it happened to different types ofcorals but the same coral during the RTN episode.

Most of them were from recent buys but all in and stable for over a month with one that was doing good for 2 months. None were 100% PE but overall seemed healthy and growing .
 
The only explaination I can come up with is that prior to receiving the coral it got stressed to the point that it already decided it was going to go but it was just a matter of time .
Click to expand...

I'm just guessing based on watching corals that have been stressed in my own tanks but I would say you are right. IME sometimes corals get stressed and they will hang on and even grow and appear to be "allmost" ok but then just give up one day.
 
I too believe that sometimes acros seem to survive a stressful event and then self destruct a few days to weeks later.

I believe this because I have previously bought multiple colonies from the same shipment that all RTN-ed at the same time a few weeks after purchase while other colonies added before and after were unaffected.
 
<a href=showthread.php?s=&postid=6685814#post6685814 target=_blank>Originally posted</a> by JOSHUAB
what were type were they???
Click to expand...

1 was a beautiful loripes which was doing very well had awsome color and growth. Another was a digitifera colony Sorry about spelling, Another was a thin branching loripes type maybe a granulosa and another was a yellow stag like coral.
 
I had the same event happen. I bought a blue encrusting monti colony that was a wild piece. I had it for three or four weeks before I fragged it up to give some friends pieces. A few weeks after that, every piece RTNed in everybodies tanks
 
I'm learning that with SPS no mater how great and stable some water conditions are, if RTN will hit it will hit and it will not ask how great of conditions your tank is.

I've had SPS in my tank a year without any RTN and still doing good. Then I have gorgeous Acros stay healthy 2-3 months and then just go up in RTN.

During this process, other SPS still flourish, I just don't get it I really don't.

I'm led to believe that some SPS are like ticking time bombs, when they go they go and there isn't too much you go do to save them other than quickly frag.

I have fraged a pink milli and only three small stubs made it through the RTN cycle; I'm going to see if this stub can come back strong and resist future RTN.

Good Luck.... and thanks for sharing...

Mike
 
They just RTN...not STN?

Can it be related to something more external...changes in the home environment, something getting through in the water (some corals may be more susceptible to), etc...rather than something 'carried' by the coral itself?
 
I am talking 3 seperate systems .And yes rtn inless than 8hrs.

Also I doubt it is anything a coral carried ,corals have internal time clocks and such also .
 
I would tend to sespect something in the atmosphere. Something in the air the skimmer is drawing in. This and the ambient temp is the only thing in common with all the tanks, right?

Are you running any type of carbon filter on the air intake for the skimmer?

Same type of lighting on the tanks?
 
1 tank gets outside air for the skimmer and the other 2 get inside air . All tanks run at different temps and have different lights.

But I don't run carbon on the intake of my skimmers although my 120 has ozone 24/7.
 
What color was your digitifera colony???? I have one that is slowly starting to color up, I can frag it for you whay it finally gets established.
 
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