Mike's 200g

sahin said:
Looking great! :beer: Nothing seem out of place in terms on your filtration or parameters other than perhaps the GAC and Dr Tims bacteria. Perhaps stop both and introduce them later? Its well known that certain GAC is highly efficient and can cause STN etc. I dont think that is the case here but maybe worth taking it out for a few weeks. Dr Tims stuff...who knows...maybe worth stop dosing it for a while.
Click to expand...
I will stop the Dr Tim's. I have had really good results in the past with it, I was mainly using it just to keep population of good bacteria up. But maybe my tank just doesn't need it at the moment. I had been dosing a little because soon I was thinking about starting a small amount AIO pellets and wanted to get good bacteria. Flourishing first.
 
reefmutt said:
Hm... Wow, Mike.
Your tank looks really fantastic in general.. Like I mean really, really good..
I'm baffled by the stn issues. I really don't think you have an 'issue' in there..
Corals don't even look underfed..
there is such thing as a coral that just doesn't do well..
I have them (well.. I don't have them for long) generally, if I see that the vast majority of corals are thriving, the ones that don't, I treat them like you do.. Frag and watch.. Sometimes they come back and sometimes not, but I don't worry about it too much..
Matt (mhucasey) has a theory about bacterial infestation causing stn on some corals..
I have to say that I have turned the odd coral around by fragging away stn and glueing..
Maybe this is your issue.. And if so, there isn't much you can do to your regular maintenance routine to make it better...
Click to expand...

Yeah, I don't know either. I will just continue as I am and see. The blue piece had been doing well for a while. But also the plana is not doing well. It's a mystery.
 
Is it possible that it's been the really low par levels in the tank slowly making the coral die and then stn?
 
Stn continues to show up. Noticed it on a different piece now. It starts in the base, tissue just starts peeling off, then it spreads down the coral. It doesn't happen quick It is fairly slow.
Clearly something is not right, however all tests continue to read as normal, no3 up a little bit to 2.5 I think. However that shouldn't cause this. For now I'm going to stop color elements, it's the only real thing I think could be playing a part. Unless it's a bad new bucket of salt or something, I did just start a new bucket recently ( havnt tested new SW parameters from it.
I wasn't planning on stopping the acropower or sponge power as I believe them just to be foods so can't be doing any harm??
So annoying, especially as some other corals are looking great at the moment.
 
This sucks. :(

I've found that generally when the symptoms show up whatever happened has already happened and changing more things can make it worse.
 
I know of at least one that has died also, but I think the stn had started on it before he took it back. Not sure about the others.
I had taken a piece out that was not doi,g well and inspected and dipped but couldn't see anything. It is hard in Bayer as it is not clear though. But again I don't see AEFW bite marks or eggs.
I would have thought of it was a water quality issue all pieces would be looking bad. But some are doing really well. It's like it goes from one piece, then goes to another,and so on, but not all the pieces at once.
 
Just curious, have you tried dipping any of the affected corals in a disinfectant type dip, i.e. iodine type, etc.? I have had a few successes stopping stn doing this after fragging the affected coral. Some of the frags will survive but not all, sometimes none do. Also on the Acropower, somewhere on this board it was talked about overdoing them may cause STN/RTN. It was NOT backed up with anything scientific so may be hogwash, I'll see if I can find it. Also it is an amino supplement so will feed anything, such as a lingering bacterium that the coral was able to fend off before, not just good coral tissues. It seems a lot of people are having issues right now, it's just weird. Good luck.
 
Here is a bad cell phone picture of what's happening. I really have no idea why This has started. I'm hoping now it doesn't spread to everything in the tank. Anyone have any idea how to help? You can see the tissue just peeling off.
 
Here is what I can only imagine is the next victim of whatever is going through my tank. This coral had no visible signs of problems yesterday. Still has PE but you can see the tissue starting to go. Does anyone have any idea? I have looked for AEFW on the other pieces but found nothing. I will take this out tomorrow and look.
Is there anything I can do to stop this? Would removing all pieces that show any signs of tissue loss get it out the tank? (not likely if it is a bacteria it will be everywhere). So far it has now been 3 pieces really looking tissue and I believe this is the 4th starting.

 
Unfortunately the perfect circles next to each other appear to be AEFW. Might not be, my Lokani got pretty scratched up when my nutrients dropped to low, but I never had the circles, just scratches similar to the marks up higher on the branches.

I dipped in Bayer and had very little color loss.
 
MichaelW said:
Here is what I can only imagine is the next victim of whatever is going through my tank. This coral had no visible signs of problems yesterday. Still has PE but you can see the tissue starting to go. Does anyone have any idea? I have looked for AEFW on the other pieces but found nothing. I will take this out tomorrow and look.
Is there anything I can do to stop this? Would removing all pieces that show any signs of tissue loss get it out the tank? (not likely if it is a bacteria it will be everywhere). So far it has now been 3 pieces really looking tissue and I believe this is the 4th starting.

Click to expand...

Mike, this is classic, I mean classic aefw.
However, aefw do not cause rtn. Stn maybe, yes, but sudden flesh peeling off corals is not aefw related, imo..
Seems like two different problems..
As for aefw. I would say add 20 peppermint shrimp and try to remove and dip the corals with bite marks like that.
As for the rtn... That one, I really don't have ideas for you..
Besides fragging affected corals, I still think you should back off on any nutrient stripping methods you are using..
 
reefmutt said:
Mike, this is classic, I mean classic aefw.
However, aefw do not cause rtn. Stn maybe, yes, but sudden flesh peeling off corals is not aefw related, imo..
Seems like two different problems..
As for aefw. I would say add 20 peppermint shrimp and try to remove and dip the corals with bite marks like that.
As for the rtn... That one, I really don't have ideas for you..
Besides fragging affected corals, I still think you should back off on any nutrient stripping methods you are using..
Click to expand...

I agree with Matt; and believe you have a couple of issues. :( Very sorry.

Those marks look like AEFW to me. But as Matt pointed out, AEFW's dont cause STN like is happening.

I agree with backing off on nutrient removal. I've always found that extra food and water changes help acros recover. Good luck. Sorry that this is happening with Xmas just round the corner. :sad1:
 
reefmutt said:
Mike, this is classic, I mean classic aefw.
However, aefw do not cause rtn. Stn maybe, yes, but sudden flesh peeling off corals is not aefw related, imo..
Seems like two different problems..
As for aefw. I would say add 20 peppermint shrimp and try to remove and dip the corals with bite marks like that.
As for the rtn... That one, I really don't have ideas for you..
Besides fragging affected corals, I still think you should back off on any nutrient stripping methods you are using..
Click to expand...

So I dipped that coral and a couple Aefw did come off. Could not see any eggs or anything though. The other coral showing the tissue loss didn't have anything come off. I agree with you the aefw are not the cause of the other problems.
I am not using hardly any nutrient stripping methods only a skimmer and filter sock and a small amount of carbon running passive. I could take carbon out. I have stopped all dosing of color elements and acropower just in case.
I havnt noticed anything similar to bite marks on anything else.
 
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