brown film

  1. T

    What is this brown stuff???

    About 10 days ago my large green leather toadstool stopped extending and a good sized patch of GSP next to it closed up. They both remained closed for about 5 days until they slowly started showing again. Nothing new was recently added to the tank and after two days of not showing I did a...
  2. M

    Goniopora

    Brown film growing over goniopora coral, coral was healthy and fully extended for a week then it closed for a day and started developing the brown jelly film over itself, I’ve tried coral dip, I’ve tried manually removing the film (jelly like) multiple times but it comes back within a day...
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