Nov 23, 2013 #2 T tubz Reefing newb tubz said: View attachment 20399 View attachment 20400 View attachment 20401 Click to expand... It is a film that is over some rocks with bubbles underneath and on the sand it lifts up in pieces like a mat
tubz said: View attachment 20399 View attachment 20400 View attachment 20401 Click to expand... It is a film that is over some rocks with bubbles underneath and on the sand it lifts up in pieces like a mat
Nov 23, 2013 #3 Aquarian Reef pro The film on the rocks and sand is cyanobacteria. The long hair like strand is hair algae