air filter

  1. K

    I have accidentally created a spaghetti worm biological filter

    spaghetti worms have colonized my air filter. Explains why my nitrates always seem low. Not complaining though.
  2. C

    Tetra Whisper 10 air filter replacement for phytoplankton culturing.

    Does anyone have any suggestions for the air-intake filter for a Tetra Whisper10? I've been having bad luck with my phytocultures, and I've done everything I can think of to keep bacterial contamination from occurring. I think something may be in the pump that is causing the issue.
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