Is this Cyano?

Nathan73

New Member
View Badges
Joined
Oct 17, 2021
Messages
6
Reaction score
1
Location
Sydney
Rating - 0%
0   0   0
Hey guys, noticed a few dark purple spots on one of my rocks, could somebody help identify if it is Cyano or possibly coraline?
thankyou

A4AEC1D0-B377-4DEA-9096-3E2EF1C5E682.jpeg A9CDBABA-50A0-4884-8049-667B1DA70DD6.jpeg
 
Thanks guys, tried to rub some of it off this afternoon and it didn’t budge, so corraline it is
Appreciate all your help cheers :)
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
Back
Top