My tank is about four years old. A couple months ago this red/orange algae (or maybe sponge) starting growing. Does anyone know what this is? If it’s nuisance I would like to remove it before it spreads even more. I can’t tell if it is some sort of algae or a sponge.
Help identify red/orange algae
- Thread starter Marco333
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vetteguy53081
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Appears to be sponge
