Aquarium Co-Op Easy Flow Sponge Filter, Nano vs Aquarium Co-Op Easy Flow Sponge Filter, Small

What changes for you, from the makers' published figures. Neither is "better": the right one is the one that fits your tank and how you look after it.

For a 20 gallon long (example)

Neither fits by the makers’ ratings.

  • Aquarium Co-Op Easy Flow Sponge Filter, Nano: Listed from 5 gal; no maximum published.
  • Aquarium Co-Op Easy Flow Sponge Filter, Small: Listed from 10 gal; no maximum published.

What changes for you

  • The published facts for these two are close; choose on fit to your tank and the checks on each model's page.

Next: Aquarium Co-Op Easy Flow Sponge Filter, Nano: details and fit · Aquarium Co-Op Easy Flow Sponge Filter, Small: details and fit · All filters for your tank

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Aquarium Co-Op Easy Flow Sponge Filter, Nano

Maker guidance starts at 5 US gal; there is no published maximum, so fit also depends on air supply and bioload.

Drawing of an aquarium filter (not a photo of the Aquarium Co-Op Easy Flow Sponge Filter, Nano)

Aquarium Co-Op Easy Flow Sponge Filter, Small

Maker guidance starts at 10 US gal; there is no published maximum.

Drawing of an aquarium filter (not a photo of the Aquarium Co-Op Easy Flow Sponge Filter, Small)

Side by side

Aquarium Co-Op Easy Flow Sponge Filter: Nano vs Small: published specifications
Published figureAquarium Co-Op Easy Flow Sponge Filter, NanoAquarium Co-Op Easy Flow Sponge Filter, Small
In the boxweighted sponge-filter body, adjustable uplift tube, air collarweighted sponge-filter body, adjustable uplift tube, air collar

Figures as published by each maker; see each model’s page for its sources. Open this pair in the full comparison tool →