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Which pH change is most dangerous for aquarium fish?

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  1. A rapid drop
  2. A slow drop over many weeks
  3. No change at all

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References

  1. Merck Veterinary Manual: Management of Aquarium Fish www.merckvetmanual.com/exotic-and-laboratory-animals/aquarium-fish/management-of-aquarium-fish Checked 2026-10-11.
  2. Merck Veterinary Manual: Management of Aquarium Fish www.merckvetmanual.com/exotic-and-laboratory-animals/aquarium-fish/management-of-aquarium-fish Checked 2026-10-11.

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