Jul 2, 2017 #1 S sheriffd New Member View Badges Joined Apr 12, 2017 Messages 4 Reaction score 1 Rating - 0% 0 0 0 The first one (a bright red algae that seems to make my sand clump together around it.) The second one (a darker purple algae that keeps coming back in the same spot in a quarter sized area on the sand.)
The first one (a bright red algae that seems to make my sand clump together around it.) The second one (a darker purple algae that keeps coming back in the same spot in a quarter sized area on the sand.)
Jul 2, 2017 #2 KJ Lone Wolf View Badges Reef Squad Leader Excellence Award ETRC Member Hospitality Award Joined Dec 14, 2011 Messages 22,318 Reaction score 113,205 Location Tennessee Rating - 0% 0 0 0 Cyanobacteria.
Dec 27, 2017 #3 Ghostcat Community Member View Badges Joined Apr 28, 2017 Messages 26 Reaction score 10 Rating - 0% 0 0 0 Definitely cyano, not much of a problem if controlled correctly.
