Is this Cyano?

Nathan73

New Member
View Badges
Joined
Oct 17, 2021
Messages
6
Reaction score
1
Location
Sydney
What state or country do you live in
Australia
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 :)
 

TOP 10 Trending Threads

WHAT’S USUALLY THE FIRST CLUE THAT SOMETHING IS OFF IN YOUR REEF?

  • A fish’s behavior or appetite changes

    Votes: 1 6.7%
  • A coral looks different or stops opening normally

    Votes: 7 46.7%
  • Water clarity or surface appearance changes

    Votes: 1 6.7%
  • Equipment sounds or flow seem different

    Votes: 1 6.7%
  • A test result catches my attention

    Votes: 5 33.3%
  • Algae or other growth starts changing

    Votes: 2 13.3%
  • I usually notice when the problem is already obvious

    Votes: 0 0.0%
  • It depends on what’s going on

    Votes: 4 26.7%
  • Other (Post in the comments)

    Votes: 1 6.7%
Back
Top
Home
Post thread…
Market
What's new