White stringy thing on rock??? Please help !

alex__

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17FE01D4-ED37-4942-9C39-9C2399FA9315.jpeg

Ive only just noticed it today, the tank is only a couple months old. Please help identify, after browsing the web i still haven’t found anything like it haha, It’s only around an inch big and it looks like it has pores
 

DO YOU THINK TECHNOLOGICAL ADVANCEMENTS ARE MORE HELPFUL OR HURTFUL TO REEFING?

  • More helpful.

    Votes: 19 35.8%
  • More hurtful.

    Votes: 3 5.7%
  • I think it depends mostly on the technology.

    Votes: 24 45.3%
  • I think it dependsmostly on the reefer behind the technology.

    Votes: 15 28.3%
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