welcome to PTF
roud:
it's probably not hair algae which grows in long strings.
if it's in short tufts then that would be black beard algae.
the green stuff is simply the young new version, while the
black is the old mature stuff that no fish/shrimp can remove.
it's probably not hair algae which grows in long strings.
if it's in short tufts then that would be black beard algae.
the green stuff is simply the young new version, while the
black is the old mature stuff that no fish/shrimp can remove.