Sump repair

Get weld-on #4 to wick into the crack, and it will solvent bond acrylic. And use weld-on #16 if crack is big, but yours look like #4 is thin enough to get into the crack and seal. And add a piece of acrylic rod on the inside with the same weldon to add more strength. Sound be good as new after that. Super easy.
 

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

  • A fish’s behavior or appetite changes

    Votes: 11 15.5%
  • A coral looks different or stops opening normally

    Votes: 44 62.0%
  • Water clarity or surface appearance changes

    Votes: 10 14.1%
  • Equipment sounds or flow seem different

    Votes: 7 9.9%
  • A test result catches my attention

    Votes: 14 19.7%
  • Algae or other growth starts changing

    Votes: 14 19.7%
  • I usually notice when the problem is already obvious

    Votes: 3 4.2%
  • It depends on what’s going on

    Votes: 13 18.3%
  • Other (Post in the comments)

    Votes: 1 1.4%
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