Is my sps colouring or RTNing

[Tigger]

got some frags from a reefer near my neighbour last sat. pls advise is it RTNing or colour up. Not much expierence in sps. Thanks

[Eric]

got some frags from a reefer near my neighbour last sat. pls advise is it RTNing or colour up. Not much expierence in sps. Thanks

STN

[Tigger]

another pic. bottom half show lime green colour while the top is brown. Not sure if it is normal. thanks

[Tigger]

one more pic.

2x150W (6500K). Temperature set at 27C.

[Tigger]

STN

oh, that's bad news. Thanks

[ryz]

dun think so leh... probably either colouring up or the bottom polyps expelled their zooxanthellae algae... STN the tissue will be dead. but quite unlikely that they start colouringup from the bottom right? usually it starts from the top? since the top closer to the light? dunno... could very well be colouring up... anyway I'm no pro... jut my 2 cents.

[SharkBait]

Its STN alright. There is tissue loss and algae has grown over the exposed acro skeleton.

[andysho]

yep it is STN already

think you can glue over the affected areas or dip into

some solution

think the flowrate might not be enough or your powerhead or so

is blowing at it directly~~ try to place it somewhere whereby

it is getting gentle flowrate

[RAV-65]

Algae could have grown over the RTN area.... dat's why it looks greenish!

[andysho]

suggest at this stage better frag it liao..

but bro if you frag the affected part, it seems the healthy part

become rather short liao ..keke

i suggest you shift the other healthy frag to somewhere

else where better flowrate is~~ or else it will STN again

from what i observe from your picture.. there is a sea fan next to your STN frag

also like not very healthy~~ liao ... so the problem should lies in your

flowrate~~~

[Tigger]

I am using a 6060. Just few inchs behind the sps is another monti which is growing. The 6060 is blowing directly from abt 3 feet away.

Since it has STN, think I will have to throw it away.

[Chris]

Throw. It is gone liao.

[ryz]

huh? I thought I saw the polyps still extended? or are those just ridges on the skeleton? oh okok mah bad

[kareen]

Sorry to ask.... what is STN and RTN? I'm inexperience in SPS....

[Vinoth]

RTN - Rapid tissue necrosis

STN - Slow Tissue Necrosis

[kareen]

RTN - Rapid tissue necrosis

STN - Slow Tissue Necrosis

I'm pretty dumb.... what does that mean?

[Marineman]

I'm pretty dumb.... what does that mean?

R for "Rapid" which means fast

S for "Slow" which means slow!

The S and R means the speed of the tissue turning white or dead.

"Dumb and Dumber"

[Nautical]

I'm pretty dumb.... what does that mean?

go here to read a bit more about stn and rtn.

http://www.sgreefclub.com/forum/index.php?...ic=19850&hl=rtn

[kareen]

go here to read a bit more about stn and rtn.

http://www.sgreefclub.com/forum/index.php?...ic=19850&hl=rtn

Nautical.

[Reefaholic]

IMO, i think it is not STN, if yes, there should be no polyps. Cannot see clearly, if no polyps, then it should be STN, otherwise, it may be coloring up. Just my view.

[yazid]

The green really looks nice... it is better if it is alive.

Confirm STN. I had those before. Now it is completely covered by coralline algae.

[minsmarine]

IMO, i think it is not STN, if yes, there should be no polyps. Cannot see clearly, if no polyps, then it should be STN, otherwise, it may be coloring up. Just my view.

While bottom part of SPS gone STN, poly of top part you could still see. Until STN over them.

And I don't see any polys in pic