Editor’s Note: The reef aquarium hobby is not for the faint of heart. Maintaining a complex ecosystem can be a daunting task with many variables in play that all have effect on one another. However, beyond the effort to maintain the ecosystem and...
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Tl;Dr treat with furan-2 and kanaplex. Other people like to add metroplex. Also make sure water parameters are good
Infection looks small so it should heal up in no time.