Coral problems

[cj65]

Hey All I’m new to the hobby here after about 3 months will stable water quality I decided to get my first nem and a cabbage coral nem is doing fine but, my cabbage coral is some spot are starting to turn white .

Really looking for any guidance I can get or some suggestions like I said I’m new to this and learning any help is appreciated thanks

 

[sfin52]

Hey All I’m new to the hobby here after about 3 months will stable water quality I decided to get my first nem and a cabbage coral nem is doing fine but, my cabbage coral is some spot are starting to turn white .

Really looking for any guidance I can get or some suggestions like I said I’m new to this and learning any help is appreciated thanks

Looks like its starting to shed.

 

[slingfox]

Do you make your own slather with RODI?

Do you have a powerhead in tank for water flow?

Have you tested salinity, phosphates and nitrate level? If so, what are they?

 

[TJ42]

Welcome to r2r! Looks like a lot of additional info would be needed to know for sure what is going on. Not knowing the story of it's history it makes it hard to.
Maybe check this out and balance against it to know what you have done so far:
The Supreme Guide To Setting Up A Saltwater Reef Aquarium | Reef2Reef