Is this read Rick?

[El Patron]

I got this rock in a tank a used tank I bought. I was wondering if it was rock or dead coral? Thank you.

 

[El Patron]

I don’t know what happened to the title. But is this reef rock?

 

[GlassMunky]

Reef rock and dead coral are the same thing so YES

 

[FUNGI]

I don’t know what happened to the title. But is this reef rock?

Dead coral