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STN can also stand for slow tissue necrosis. I know it from long ago as sudden, then changed to RTN (rapid tissue necrosis). If it progresses...
STN=Sudden tissue necrosis.
I agree with Steve. I have had BN do exactly the same thing on more than one occasion.
There are no easy cures. If it says you can safely added it to a reef tank and is safe for corals and inverts it's too good to be true trust me....
No, if they are getting along that is really all that matters, over time one will become dominate (the female of course) and the male will show...
It's ok. In a sump you can place Macro algae, a sand bed, you can put it on a reverse lighting schedule to maintain a more consistent pH 24/7. You...
Remember it's a crap shoot at best if all the Clowns will reside in the anemones. To save your self frustration I would remove the Maroon. I have...
So currently you have a Canister filter? You will be able to build a sump for much less than 300 dollars. What type of skimmer do you have?
You picked the two most aggressive clowns there are, well Tomato Clowns are pretty aggressive. Everything will fine for months and then they will...
Looks like a BTA to me.
Yes Sympodium right? Very nice I like the coloration of the lighting. A tad blue but not too much IMO.
IME the Mandarin looks skinny from the images and that looks like Marine Ich. Velvet appears as the name implies, a coating of slime or mucous, not...
The skeleton does grow or build upon it's self if the big 3 are in line. Stony corals need a base for the polyp to reside in, the skeleton is not a...
IME it's too high in the tank for the lighting, usually does very well in the sand regardless of the CUC. ( I am assuming you have a common or better...
A sand sifter should leave it alone.
Looks like a very mad candy cane. I would epoxy/or super glue gel it into place securely or it will die from the stress of falling eventually. I do...
By pair do you mean hanging out together? If so immediately. If you mean spawing, the female has to be around 2 years of age and conditions right. If...
Out of the group my money is the on the Emerald.
Either excreting waste, zooxanthellae, or brown jelly disease by the sound of it. An image always really helps.
I see a Pink Stylophora (very pretty). A very nice Crocea clam. Possibly a Oregon or California Tortuosa in image #3. No idea on images #1 and #2.
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