Is this coraline algae starting to appear on rock? My tank has been running for a few months now and I’m currently going through some of the uglies (brown hair algae) and as I’ve been blowing algae off of rocks, these patches of green have started appearing and don’t easily blow/scrape off the rock like the rest of the algae that I’m dealing with. My question is primarily since it’s green and not purple or pink or any other colors I would normally associate with coraline, could this be coraline algae or is it another type of algae that will need removed.


