Everyone has seen rtn at sometime. Either on a new frag or an established colony. What are the standard procedures that you use? Frag or glue? Water changes or gac? What do you do and what works???
I usually only have rtn on newly shipped stuff. I did have a round in my tank bout 8 months ago but everything has been good since.
I have a reefer locally that always wants me to put his rtn stuff in my tank to save it. I hate doing it cause it pollutes the water and is a heck of a pain. Usually I get it too late to do much with but I always try.
RTN is almost impossible to stop when started.
If possible cut the coral 1/2" from receded area and frag in 2 or more pieces to be placed in different areas of your tank other than the original.
Don't keep any receded areas, cut them off.
If you want to try and save the whole piece, you can try a coral dip like 'Revive' for 20 minutes, then drip it off and place it in a different area back in your tank.
You should dim your light about 20% for a week to give it a chance to adapt.
Run a recommended dose of carbon for a month if you don't already.
I currently have a 14" birds nest with RTN which I have treated.
After a month it seems to be recovering. The coral dip really cleaned it good leaving only unaffected areas left with small polyps.
It will take a year or 2 for a full or decent recovery I believe.
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