Fluval 107 vs Seachem Tidal 35

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)

Both fit by the makers’ ratings.

  • Fluval 107: Rated for a 20 gal tank.
  • Seachem Tidal 35: Rated for a 20 gal tank.

What changes for you

  • Tank size: the Fluval 107 is rated 10–30 US gal, the Seachem Tidal 35 up to 35 US gal.
  • Power: 10 W against 6 W, which changes the running cost.
  • Size: Fluval 107 13.7 in tall, Seachem Tidal 35 7.125 in tall; a canister also needs room for hoses and to lift the lid in the cabinet.
  • Type: Fluval 107 is a canister model, Seachem Tidal 35 a hang-on-back model, so installation and cleaning differ.

Next: Fluval 107: details and fit · Seachem Tidal 35: details and fit · All filters for your tank

Fluval 107

Seachem Tidal 35

Both drawn at one scale on a 20 gallon long (example), from the makers’ published dimensions; positions are approximate.

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Seachem Tidal 35

Manufacturer-rated for aquariums up to 35 US gal; needs 2.75 in wall clearance and fits trim up to 13/16 in.

Side by side

Fluval 107 vs Seachem Tidal 35: published specifications
Published figureFluval 107Seachem Tidal 35
Rated tank size10–30 US galUp to 35 US gal
Pump output145 GPHNot published
Flow through the filter95 GPHNot published
Power10 W6 W
Dimensions7.5 × 7 × 13.7 in (L × W × H)6.125 × 5.125 × 7.125 in (L × W × H)
In the boxribbed hosing, intake assembly, output nozzle, media basketsfoam filter, Matrix bio-media, documentation

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

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