New to the forum

The red stuff looks like cyano bacteria.You can siphon it out and try adding more flow to the area.
 
I would definitely look into adding some more flow. I have 2 Hydor Koralia Nano 425 power heads in my Biocube 29 and am going to upgrade my return pump next for the additional flow.
Oh and welcome to R2R and to the BC29 family!
 

WHICH PART OF YOUR SETUP IS HARDEST TO REACH OR REMOVE FOR ROUTINE MAINTENANCE?

  • Glass behind or beside the tank

    Votes: 10 23.8%
  • Powerheads or wavemakers

    Votes: 3 7.1%
  • Sump or rear filtration chambers

    Votes: 5 11.9%
  • Skimmer or other filtration equipment

    Votes: 4 9.5%
  • Overflow or plumbing

    Votes: 8 19.0%
  • Lights or lids

    Votes: 0 0.0%
  • Mine is pretty easy to access!

    Votes: 11 26.2%
  • Other—tell us what I missed

    Votes: 1 2.4%

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