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AhaBulb: Stuff Everyone Should Know · ahabulb.com/fish-algae-reduce-light

Green algae keeps growing on the glass. What change does a Wisconsin 4-H guide suggest?

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  1. Reduce the light
  2. Add more fish
  3. Leave the light on longer

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References

  1. University of Wisconsin Extension 4-H: Aquarium Fish (4H369G) fyi.extension.wisc.edu/wi4hpublications/files/2015/10/4H369G.pdf Checked 2026-10-11.
  2. Merck Veterinary Manual: Providing a Home for Fish www.merckvetmanual.com/all-other-pets/fish/providing-a-home-for-fish Checked 2026-10-11.

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