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.
Seachem Tidal 35 vs Seachem Tidal 55
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.
- Seachem Tidal 35: Rated for a 20 gal tank.
- Seachem Tidal 55: Rated for a 20 gal tank.
What changes for you
- Tank size: the Seachem Tidal 35 is rated up to 35 US gal, the Seachem Tidal 55 up to 55 US gal.
- Flow: Seachem Tidal 35 up to 130 GPH, Seachem Tidal 55 up to 250 GPH.
- Size: Seachem Tidal 35 7.125 in tall, Seachem Tidal 55 8.375 in tall.
Next: Seachem Tidal 35: details and fit · Seachem Tidal 55: details and fit · All filters for your tank
Seachem Tidal 35
Seachem Tidal 55
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Seachem Tidal 55
Manufacturer-rated for aquariums up to 55 US gal; needs 3 in wall clearance and fits trim up to 1 in.
Side by side
| Published figure | Seachem Tidal 35 | Seachem Tidal 55 |
|---|---|---|
| Rated tank size | Up to 35 US gal | Up to 55 US gal |
| Power | 6 W | 6 W |
| Dimensions | 6.125 × 5.125 × 7.125 in (L × W × H) | 8.0625 × 6.125 × 8.375 in (L × W × H) |
| In the box | foam filter, Matrix bio-media, documentation | heater holder, telescoping intake pipe, leveling dial, foam filter, Matrix bio-media, instruction manual |
Figures as published by each maker; see each model’s page for its sources. Open this pair in the full comparison tool →