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SESK: Stuff Everyone Should Know · sesk.info/fish-dry-food-two-months

How long should dried fish food be kept on hand, according to Merck?

No more than about 2 months. Buy small containers more often.

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  1. No more than about 2 months ✔
  2. Up to 2 years
  3. As long as it smells fine

Why: The Merck Veterinary Manual says dried foods should be kept on hand no more than 2 months. Buying small amounts often beats one huge tub that lasts for months.

Huh, didn't know that: Merck says fish that feed at the bottom should not be fed flakes that float on the surface.

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What do you call a fish that only eats fresh food? A picky-rel.
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References

Answer: No more than about 2 months. The Merck Veterinary Manual says dried foods should be kept on hand no more than 2 months. Buying small amounts often beats one huge tub that lasts for months.

  1. Merck Veterinary Manual: Providing a Home for Fish www.merckvetmanual.com/all-other-pets/fish/providing-a-home-for-fish
    In general, dried foods should be kept on hand for no more than 2 months.
    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
    It is better to buy smaller quantities of food frequently than a large container that is used for many months.
    Checked 2026-10-11.
  3. Merck Veterinary Manual: Providing a Home for Fish www.merckvetmanual.com/all-other-pets/fish/providing-a-home-for-fish
    fish that prefer to feed at the bottom should not be fed flakes that float on the surface.
    Checked 2026-10-11.

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