JoeG wrote:Opae ula related it looks like the same algae. Any name for it? Did it eventually spread to the rocks and glass? Sometimes mine will break loose from a rock and roll like a tumbleweed across the tank. The shrimp seem to like it.No I don’t know the name. I re-did the tank and have it to a family member. I recall it did spread to the gravel but not the glass.