Problems

[Saieditc]

Hi
I have a problem in tank causing coral pass away .(die)
What are problems

 

[TangerineSpeedo]

Please post all of your parameters. A picture of your whole tank in white light and some more background information please of maintenance schedules and dosing.
Thank you

 

[DMG Reef]

Looks like digitate hydroids. They sting corals and are difficult to eradicate. When I had them, I didn’t take any action and they eventually went away. But they did cause tissue loss on my acros.