A
Len":c91rizut said:Can you brush it off and siphon it easily? I haven't encountered any cyano that wasn't easy to siphon out.
GSchiemer":2vei82au said:Hate to say it, but it sure looks like cyanobacteria. Cyano comes in many forms and I've seen this heavy velvety variety in many aquariums. If you can siphon it out, and I suspect that you can, then its cyano.
Greg
Guy":3bsgwml0 said:Starting to look like a Dinoflagillate outbreak. I hope Len's right with the Sponge ID.