UV sterilizer - for Ich and algae. My experience

will the UV kill the copods and BBS in the tank? Won't they pass through also?
Unless they get to the bulb - no. If youre running an in tank - that increases risk but most external units are suspended
 
Why does Leucosternon seem to no longer have dots in the evening, and is full of them in the morning? He eats, but I can't solve it... I can't take it out... How can I intervene?
 

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

  • A fish’s behavior or appetite changes

    Votes: 10 15.4%
  • A coral looks different or stops opening normally

    Votes: 42 64.6%
  • Water clarity or surface appearance changes

    Votes: 9 13.8%
  • Equipment sounds or flow seem different

    Votes: 7 10.8%
  • A test result catches my attention

    Votes: 14 21.5%
  • Algae or other growth starts changing

    Votes: 14 21.5%
  • I usually notice when the problem is already obvious

    Votes: 3 4.6%
  • It depends on what’s going on

    Votes: 11 16.9%
  • Other (Post in the comments)

    Votes: 1 1.5%
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