Does anyone know what’s this white fuzz?

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HashyReefer

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I have these little fuzzy white growths under my acan. What could it be?
20260118_195316_92FE6A43-A20F-4F07-AEE1-A45B083D9DD9.png
 
Harmless unless they are starting to grow on a coral’s skeleton and irritating it into recession. Where yours are is fine, i have seen some pop up right in between polyps on a favia, that is a no-go.
 

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Reef by Steele, Pods Starting @ $19

WHAT’S USUALLY THE FIRST CLUE THAT SOMETHING IS OFF IN YOUR REEF?

  • A fish’s behavior or appetite changes

    Votes: 11 15.1%

  • A coral looks different or stops opening normally

    Votes: 44 60.3%

  • Water clarity or surface appearance changes

    Votes: 10 13.7%

  • Equipment sounds or flow seem different

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  • A test result catches my attention

    Votes: 14 19.2%

  • Algae or other growth starts changing

    Votes: 14 19.2%

  • I usually notice when the problem is already obvious

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  • It depends on what’s going on

    Votes: 14 19.2%

  • Other (Post in the comments)

    Votes: 1 1.4%
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