killing corals

I’ve done researching and can’t figure out what it is. all of my parameters are stable and normal. Fish store says my water test is good. All my other corals look very happy. Went to get myself a new Christmas present a nice torch coral and in within a day I could already see him starting to...

How fo I keep this red Monti cap from taking over I tried to brake it of the rock but it won't come off not sure what my options are

I’ve read many threads about anemone killing coral, but I’m more curious in the process and what that looks like. I have a BTA on a rock and hasn’t moved since about the second day. I’ve a number of soft coral (zoa, toadstool, cabbage, xenia and goni) and know the BTA can kill. But how? Just...

Has anyone ever had Red Sea n03 p04x melt any of their soft corals? Every time I put it in my tank no matter the dose I see them shrivel up before my eyes and then they die soon after, I am putting it in the back of my drain box to let it mix with the water and through the sump before it ends up...

Like many new reefers I bought an aggressive coral that got out of control. In my case it was a branching form of GSP. I still love the look but it spread too far. I fragged some and I'm going to try to "carpet" the back wall of the tank. But that left me with a lot of leftover. I spent about...