Red stuff on rocks

[Max H.]

What is this red stuff on my live rock

 

[Lost in the Sauce]

All we can see is blue. .

White light pics would help you get an answer.

 

[encrustingacro]

Can you post a picture under whiter lighting please?

 

[Max H.]

All we can see is blue. .

White light pics would help you get an answer.