coral problem

all the zoanthid polyps are closed on my zoanthid frag. Other animals include a blastomussa frag, a citron goby, a margarita snail, a Mexican turbo snail, and three nassarius snails. The blastomussa is fine. Here are my parameters: Nitrate: 20 ppm Nitrite: 0 ppm pH: 8.0 KH: 180 ppm GH: 180 ppm...

Okay this is a new one for me my piece has detatached from its skeleton and floating loose so now on the surface seems healthy and still eating yet no skeleton what’s the verdict??

Hi all! A couple days ago I did a sizeable water change on my tank to help remove Cyanobacteria, and all was normal in the tank was normal for a day, but yesterday evening I noticed what looked like snow on my montipora? It was not there in the morning and nothing has been introduced to the...

Count me very confused. My red cyano is still around after 2 chemi-clean treatments this past two weeks. My NO3 and phosphate have been in check for over 2 months (5 ppm and 0.05 ppm respectively) and never bottomed out. My TDS from my source water is 0 before I mix it with salt. Same with my...