coral not opening

Hey guys! Im having some trouble with my leather coral. Its not opening now for a bit more than 3 weeks, first it had this shiny layer, so i thought its just shedding, but its been more than 3 weeks now and theres some brown algae starting to grow on it. It hasnt really shrunk in size and im...

Any idea what these little black specks under trachy flesh are? There seem to be more this afternoon than this morning and don’t seem to be moving. This trachy was doing really well until about a week ago when I added more live sand to the tank. The tissue has been tight to the skeleton most of...

Hey guys , I am completely stumped & have tried literally everything I can think of , if anyone has any suggestions please let me know I hate to lose this coral I got from Unique Corals that cost over $500 Background: UC Amazeballs Goniopora purchased from unique corals several months ago ...

It is currently sitting lower in the tank with decent flow so if i should move or if theres an issue plz let me know thank you

My coral doesn’t open after a peroxide dip. The other two lost the color and turned brown

My corals have been recently not opening up as big as they did before. Nothing really changed. My GSP has been suffering since sponges are growing on it, but nothing happened to other corals. I tried manually removing the sponges but they were soft and wouldn’t come off so i was afraid to hurt...

I bought a new maricultured bali frogspawn 2 weeks ago. It was looking good for the first 3-4 days then it didnt open as big as usual. I have no idea what is causing it to not open. Plus, i have a small aquacultured hammer colony that was doing good for 2 months then boom one head wasn’t opening...

I have a 1 year old system with mostly soft corals. All the fish are doing fantastic as well as, the majority of my corals. However, my Duncan, candy cane, & xenia are not. The Duncan was doing well but looks like it's a goner. The candy cane & xenia frags are alive but not well. The xenia will...

yesterday i noticed 2 white spots that weren’t there before, could it be shedding?

Hello, I have had this torch for a couple weeks now and it’s not opening, is there too much flow? Here’s a vid:

I moved my tank from college back home. My corals have been perfectly fine. Now they won’t open. Can anyone help my and tell me why they won’t open? I’ll attach a pic. The water is cloudy because I just dosed calcium to make up for the low calcium. Calcium:340 ppm Nitrate: between 0-5ppm...