I'd these pls!

heathd.hd

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So what are these white curly circle things on my overflow glass?
 

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

  • More helpful.

    Votes: 15 33.3%
  • More hurtful.

    Votes: 3 6.7%
  • I think it depends mostly on the technology.

    Votes: 20 44.4%
  • I think it dependsmostly on the reefer behind the technology.

    Votes: 14 31.1%
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