Seachem Tidal 55 Hang-On-Back Filter | up to 200L (3–4 ft) | Fish Bazaar
The Seachem Tidal 55 hang-on-back aquarium filter is a premium HOB filter for fish tanks up to 200 litres (roughly 3 to 4 feet), delivering a powerful 1,000 litres per hour with a large media basket and a built-in surface skimmer. Designed by Seachem, the brand behind the gold-standard Matrix and Purigen media, the Tidal 55 hangs on the back of your tank, is quick to set up and maintain, and offers far more media capacity than ordinary hang-on filters — making it one of the best HOB filters available in India for community and planted tanks.
What is the Seachem Tidal 55 Filter?
Short answer: A high-capacity hang-on-back (HOB) aquarium filter for tanks up to 200 litres, with a large single media basket, self-priming pump and surface skimmer.
In detail: The Tidal 55 hangs on the rim at the back of the tank and cascades filtered water back in. Its standout feature is an unusually large media basket that you fill with your choice of media, giving canister-like capacity in a HOB form. It self-primes, has fully adjustable flow, and includes a surface skimmer to remove the oily film that builds on still water. For example: on a 3–4 foot community tank (around 120–200 L), the Tidal 55 keeps the water clear and the surface clean while being far easier to maintain than a canister.
Key Features
- 1,000 LPH adjustable flow — strong, controllable circulation for tanks up to 200 L.
- Large media basket — exceptional capacity for a HOB, fill it with the media you prefer.
- Built-in surface skimmer — removes the surface film and improves gas exchange.
- Self-priming pump — starts easily with no manual siphoning.
- Easy maintenance — a maintenance-alert and tool-free media access make cleaning simple.
- Seachem-engineered — from the brand behind Matrix and Purigen media.
Benefits
Immediate: Clear water, a clean surface and strong adjustable flow from day one, with simple hang-on installation.
Short-term: The large media capacity matures into a powerful biological filter, keeping ammonia and nitrite at zero.
Long-term: Canister-grade results with HOB convenience, for years, using only inexpensive media top-ups.
How It Works
The Tidal 55 draws water up through its large media basket — mechanical foam traps debris, biological media such as Seachem Matrix grows the bacteria that convert toxic ammonia to nitrite and nitrate, and chemical media such as Purigen polishes the water — then returns it over the surface skimmer. See how aquarium filters work.
Which Tank Size Is the Tidal 55 For?
Short answer: Tanks up to 200 litres — roughly 3 to 4 foot aquariums.
| Tank length | Approx. volume | Tidal 55 suitability |
|---|---|---|
| 2 ft | 50–60 L | Good (turn flow down) |
| 3 ft | 100–120 L | Ideal |
| 3.5–4 ft | 150–200 L | Excellent |
| 4 ft+ | 200 L+ | Step up to the Tidal 75 or 110 |
Suitable For
- Community tanks of tetras, guppies, mollies, gouramis and barbs
- Planted tanks (the surface skimmer keeps the surface clean)
- Keepers who want big media capacity without a canister or cabinet
Not Suitable For
- Tanks over 200 L — choose the Tidal 75 or Tidal 110
- Nano and betta tanks under 50 L — the flow may be strong; a small internal or sponge filter is gentler
- Rimless tanks where a HOB cannot hang securely
Setup & Usage
Hang the filter on the back rim, fill the media basket (mechanical → biological → chemical), prime it, and switch on. Set the flow and adjust the surface skimmer. Allow 4–6 weeks to cycle. Rinse the mechanical media in old tank water every 2–4 weeks. See the installation guide.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | Seachem Tidal 55 |
| Filter type | Hang-on-back (HOB) |
| Suitable tank size | up to 200 L |
| Flow rate | 1,000 LPH (adjustable) |
| Surface skimmer | Yes |
| Priming | Self-priming |
| Best for | Community & planted tanks 3–4 ft |
Common Problems It Solves
Low media capacity of cheap HOBs: the large basket holds far more media. Oily surface film: the built-in skimmer clears it and improves oxygenation. Canister hassle: gives big-filter results without hoses or a cabinet. Cloudy water: 3-stage filtration keeps the tank clear.
Seachem Tidal 55 vs Other Filters
| Feature | Tidal 55 | Basic HOB / top filter | Canister |
|---|---|---|---|
| Media capacity | Very high (for a HOB) | Low | Highest |
| Surface skimmer | Yes | No | Optional |
| Setup | Hang-on, easy | Easy | More involved |
| Best tank size | up to 200 L | up to ~120 L | 100 L+ |
Expert Recommendation
For a 3–4 foot community or planted tank, the Seachem Tidal 55 is our top HOB pick — it brings canister-like media capacity and a surface skimmer to an easy hang-on filter. Fill it with Seachem Matrix or TCWS Bio-Media for biological filtration and add Purigen for show-quality clarity.
Frequently Asked Questions
What tank size is the Seachem Tidal 55 suitable for?
Tanks up to 200 litres — roughly a 3 to 4 foot aquarium. It is ideal for community and planted tanks.
What is the flow rate of the Tidal 55?
1,000 litres per hour, and it is fully adjustable so you can soften it for delicate fish.
Does the Tidal 55 have a surface skimmer?
Yes — a built-in surface skimmer removes the oily film and improves gas exchange.
Tidal 55 vs 75 vs 110 — which should I choose?
The Tidal 55 suits tanks up to 200 L, the 75 up to 300 L and the 110 up to around 425 L. Choose by tank size.
Does the Tidal 55 come with media?
Yes, it ships with Seachem media; many keepers add extra Matrix or TCWS Bio-Media to fill the large basket.
Is the Tidal 55 good for planted tanks?
Yes — the surface skimmer keeps the surface clean, and the adjustable flow suits planted layouts.
How often do I clean the Tidal 55?
Rinse the mechanical media in old tank water every 2–4 weeks; the maintenance alert helps you time it.
Is the Tidal 55 quiet?
Yes — it runs quietly when primed and the water level is correct.
Can I use the Tidal 55 on a betta tank?
On a larger betta tank, yes — turn the flow right down or baffle the outflow, as bettas prefer gentle current.
Does the Tidal 55 self-prime?
Yes — it self-primes, so there is no manual siphoning to start it.
Is the Tidal 55 better than a canister?
It offers much of a canister's capacity with easier setup; for tanks over 200 L or planted aquascapes needing inline CO2, a canister is still better.
Is the Seachem Tidal 55 worth it in India?
Yes — its capacity, skimmer and build quality make it excellent value among hang-on-back filters.
Does the Tidal 55 work on marine tanks?
Yes, it suits freshwater and marine setups within its size range.
Related Products & Guides
Related filters: Seachem Tidal 75 and Tidal 110 (larger), Fluval C-Series HOB. Recommended media: Seachem Matrix, TCWS Bio-Media, Purigen. Collections: Seachem, Aquarium Filters. Guides: Canister vs HOB vs Sponge, Filter Media Guide.
Conclusion
The Seachem Tidal 55 hang-on-back aquarium filter is a powerful, high-capacity, easy-to-use choice for tanks up to 200 litres (3–4 ft). With 1,000 LPH adjustable flow, a large media basket and a built-in surface skimmer, it brings canister-grade filtration to a convenient HOB — one of the best hang-on-back filters in India.
Shipping & Returns
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We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.