Description
DoPhin Canister Filter CF-2500
The DoPhin CF-2500 Canister Filter is a powerful external canister filter designed for medium to large aquariums (250–350 litres). It offers multi-stage filtration, strong water circulation, and quiet operation, making it ideal for community tanks, planted setups, and cichlid aquariums.
🌊 Key Features
✅ Multi-stage filtration – Includes sponges for mechanical & biological use. Can be upgraded with ceramic rings, bio-balls, activated carbon, or fine filter wool for superior water quality.
✅ High flow rate – Ensures proper water circulation and oxygenation in large aquariums.
✅ Spray bar outlet – Distributes water evenly and improves oxygen exchange.
✅ Durable motor – Low vibration, energy-efficient, and designed for long-term performance.
✅ Easy to maintain – Quick-release system for easy cleaning and replacement of filter media.
✅ Silent operation – Runs smoothly with minimal noise, ideal for home or office aquariums.
🐠 Suitable For
Tank Size: 250–350 litres (best for 4–5 ft aquariums).
Fish Types: Tetras, Angelfish, Discus, Gouramis, Barbs, Livebearers, Cichlids, Goldfish, Shrimp & Snails.
⚠️ Not suitable alone for very large or extremely messy fish like Oscars, Arowana, or monster fish (use as additional filtration).
⚙️ Specifications
Model: CF-2500
Type: External canister filter
Flow Rate: ~2500 L/H
Tank Capacity: Up to 350L
Power Consumption: ~35–40W (energy-efficient for its size)
Filter Media Included: Coarse & fine sponges (mechanical + biological)
Upgradable Media: Ceramic rings, bio-balls, activated carbon, fine filter wool
Size: ~35 × 25 × 25 cm (approx.)
Weight: ~4–5 kg
🧱 Filter Media Setup (Recommended Order)
Coarse sponge (mechanical)
Fine sponge (basic biological)
Activated carbon (optional – polishing & odor control)
Ceramic rings / bio-balls (boost biological filtration)
Fine filter wool (optional – crystal-clear finish)
👉 Add a sponge pre-filter on the intake for shrimp or fry tanks.
🔧 How to Install
Place the filter outside the aquarium (below tank level).
Connect inlet & outlet hoses, attach spray bar.
Fill canister with some tank water (for priming).
Plug in and switch ON – water will circulate automatically.
Adjust flow according to tank size & fish needs.
🧼 Maintenance
Rinse sponges every 3–4 weeks in aquarium water (not tap water).
Replace carbon or fine filter media every 1–2 months.
Clean bio-media gently when clogged; never replace all at once.
Check hoses, spray bar, and impeller for clogs or dirt buildup.
📦 What’s in the Box
DoPhin CF-2500 filter body
Pre-installed sponges
Inlet & outlet hoses with fittings
Spray bar attachment
Instruction manual
✅ Why Choose DoPhin CF-2500?
The DoPhin CF-2500 is a reliable, high-capacity filter for medium to large aquariums. It delivers crystal-clear water, stable biological balance, and quiet operation. Perfect for community tanks, planted setups, and cichlid aquariums in the 250–350L range.
👉 Best choice for hobbyists who need powerful and easy-to-maintain filtration for their large tanks.
