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AhaBulb: Stuff Everyone Should Know · ahabulb.com/fish-cycle-time

About how long can a new aquarium nitrogen cycle take?

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  1. A few minutes
  2. Several weeks to two months
  3. A full year minimum

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References

  1. Merck Veterinary Manual (pet owner): Providing a Home for Fish www.merckvetmanual.com/all-other-pets/fish/providing-a-home-for-fish Checked 2026-10-11.
  2. UF/IFAS Extension FA031: Ammonia in Aquatic Systems edis.ifas.ufl.edu/publication/FA031 Checked 2026-10-11.
  3. Merck Veterinary Manual: Environmental Diseases of Aquatic Animals in Aquatic Systems www.merckvetmanual.com/exotic-and-laboratory-animals/aquatic-systems/environmental-diseases-of-aquatic-animals-in-aquatic-systems Checked 2026-10-11.

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